From 21417615d7d1325205bf7a6f53257716cde870cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexandre=20Delano=C3=AB?= <alexandre@delanoe.org>
Date: Wed, 29 Oct 2014 20:00:49 +0100
Subject: [PATCH] [TESTS] SQL LISTES some tests.

---
 Listes.ipynb | 5385 ++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 4983 insertions(+), 402 deletions(-)

diff --git a/Listes.ipynb b/Listes.ipynb
index 5070c9cb..5ed42a75 100644
--- a/Listes.ipynb
+++ b/Listes.ipynb
@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:61ddb09ee5403d49059e3152719d000f65e90207d8cef75dd6d0dab23af8cd8b"
+  "signature": "sha256:17027825513d6075d197919eea7cfa09e7a9072714dd260a5de2ee388d7ad8de"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -284,7 +284,7 @@
      "language": "python",
      "metadata": {},
      "outputs": [],
-     "prompt_number": 28
+     "prompt_number": 135
     },
     {
      "cell_type": "code",
@@ -298,13 +298,13 @@
       {
        "metadata": {},
        "output_type": "pyout",
-       "prompt_number": 29,
+       "prompt_number": 136,
        "text": [
-        "177"
+        "178"
        ]
       }
      ],
-     "prompt_number": 29
+     "prompt_number": 136
     },
     {
      "cell_type": "code",
@@ -349,7 +349,7 @@
       "GROUP BY\n",
       "x.ngram_id, y.ngram_id\n",
       "\n",
-      "LIMIT 100\n",
+      "LIMIT 100000\n",
       "\n",
       "             \"\"\" % (cooc.pk, white_node.pk, white_node.pk)\n",
       "\n",
@@ -366,24 +366,8 @@
      ],
      "language": "python",
      "metadata": {},
-     "outputs": [
-      {
-       "ename": "IntegrityError",
-       "evalue": "ERREUR:  une instruction insert ou update sur la table \u00ab node_nodengramngram \u00bb viole la contrainte de cl\u00e9\n\u00e9trang\u00e8re \u00ab node_nodengramngram_node_id_fkey \u00bb\nDETAIL:  La cl\u00e9 (node_id)=(6409333) n'est pas pr\u00e9sente dans la table \u00ab node_node \u00bb.\n",
-       "output_type": "pyerr",
-       "traceback": [
-        "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[1;31mIntegrityError\u001b[0m                            Traceback (most recent call last)",
-        "\u001b[1;32m<ipython-input-133-26412084c03e>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[0;32m     31\u001b[0m              \"\"\" % (cooc.pk, white_node.pk, white_node.pk)\n\u001b[0;32m     32\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 33\u001b[1;33m \u001b[0mcursor\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mexecute\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mquery_string\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m     34\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     35\u001b[0m \u001b[1;32mtry\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
-        "\u001b[1;32m/home/alexandre/projets/gargantext.py/env/lib/python3.4/site-packages/django/db/backends/util.py\u001b[0m in \u001b[0;36mexecute\u001b[1;34m(self, sql, params)\u001b[0m\n\u001b[0;32m     67\u001b[0m         \u001b[0mstart\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mtime\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     68\u001b[0m         \u001b[1;32mtry\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 69\u001b[1;33m             \u001b[1;32mreturn\u001b[0m \u001b[0msuper\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mCursorDebugWrapper\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mexecute\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0msql\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mparams\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m     70\u001b[0m         \u001b[1;32mfinally\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     71\u001b[0m             \u001b[0mstop\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mtime\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
-        "\u001b[1;32m/home/alexandre/projets/gargantext.py/env/lib/python3.4/site-packages/django/db/backends/util.py\u001b[0m in \u001b[0;36mexecute\u001b[1;34m(self, sql, params)\u001b[0m\n\u001b[0;32m     51\u001b[0m                 \u001b[1;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mcursor\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mexecute\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0msql\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     52\u001b[0m             \u001b[1;32melse\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 53\u001b[1;33m                 \u001b[1;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mcursor\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mexecute\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0msql\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mparams\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m     54\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     55\u001b[0m     \u001b[1;32mdef\u001b[0m \u001b[0mexecutemany\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mself\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0msql\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mparam_list\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
-        "\u001b[1;32m/home/alexandre/projets/gargantext.py/env/lib/python3.4/site-packages/django/db/utils.py\u001b[0m in \u001b[0;36m__exit__\u001b[1;34m(self, exc_type, exc_value, traceback)\u001b[0m\n\u001b[0;32m     97\u001b[0m                 \u001b[1;32mif\u001b[0m \u001b[0mdj_exc_type\u001b[0m \u001b[1;32mnot\u001b[0m \u001b[1;32min\u001b[0m \u001b[1;33m(\u001b[0m\u001b[0mDataError\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mIntegrityError\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     98\u001b[0m                     \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mwrapper\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0merrors_occurred\u001b[0m \u001b[1;33m=\u001b[0m \u001b[1;32mTrue\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 99\u001b[1;33m                 \u001b[0msix\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mreraise\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mdj_exc_type\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mdj_exc_value\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mtraceback\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m    100\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    101\u001b[0m     \u001b[1;32mdef\u001b[0m \u001b[0m__call__\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mself\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mfunc\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
-        "\u001b[1;32m/home/alexandre/projets/gargantext.py/env/lib/python3.4/site-packages/django/utils/six.py\u001b[0m in \u001b[0;36mreraise\u001b[1;34m(tp, value, tb)\u001b[0m\n\u001b[0;32m    547\u001b[0m     \u001b[1;32mdef\u001b[0m \u001b[0mreraise\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mtp\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mvalue\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mtb\u001b[0m\u001b[1;33m=\u001b[0m\u001b[1;32mNone\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    548\u001b[0m         \u001b[1;32mif\u001b[0m \u001b[0mvalue\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0m__traceback__\u001b[0m \u001b[1;32mis\u001b[0m \u001b[1;32mnot\u001b[0m \u001b[0mtb\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 549\u001b[1;33m             \u001b[1;32mraise\u001b[0m \u001b[0mvalue\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mwith_traceback\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mtb\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m    550\u001b[0m         \u001b[1;32mraise\u001b[0m \u001b[0mvalue\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    551\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
-        "\u001b[1;32m/home/alexandre/projets/gargantext.py/env/lib/python3.4/site-packages/django/db/backends/util.py\u001b[0m in \u001b[0;36mexecute\u001b[1;34m(self, sql, params)\u001b[0m\n\u001b[0;32m     49\u001b[0m         \u001b[1;32mwith\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mdb\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mwrap_database_errors\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     50\u001b[0m             \u001b[1;32mif\u001b[0m \u001b[0mparams\u001b[0m \u001b[1;32mis\u001b[0m \u001b[1;32mNone\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m---> 51\u001b[1;33m                 \u001b[1;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mcursor\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mexecute\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0msql\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m     52\u001b[0m             \u001b[1;32melse\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m     53\u001b[0m                 \u001b[1;32mreturn\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mcursor\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mexecute\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0msql\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mparams\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
-        "\u001b[1;31mIntegrityError\u001b[0m: ERREUR:  une instruction insert ou update sur la table \u00ab node_nodengramngram \u00bb viole la contrainte de cl\u00e9\n\u00e9trang\u00e8re \u00ab node_nodengramngram_node_id_fkey \u00bb\nDETAIL:  La cl\u00e9 (node_id)=(6409333) n'est pas pr\u00e9sente dans la table \u00ab node_node \u00bb.\n"
-       ]
-      }
-     ],
-     "prompt_number": 133
+     "outputs": [],
+     "prompt_number": 138
     },
     {
      "cell_type": "code",
@@ -415,7 +399,7 @@
      "language": "python",
      "metadata": {},
      "outputs": [],
-     "prompt_number": 107
+     "prompt_number": 139
     },
     {
      "cell_type": "code",
@@ -423,49 +407,30 @@
      "input": [],
      "language": "python",
      "metadata": {},
-     "outputs": [
-      {
-       "metadata": {},
-       "output_type": "pyout",
-       "prompt_number": 98,
-       "text": [
-        "[<NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / animal kingdoms>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / plant>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / tobacco ringspot>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / host populations>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / bee hemolymph>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / virions>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / infections>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / transkingdom host alteration>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / virus>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / phylogenetic analysis>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / animal kingdoms>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / plant>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / tobacco ringspot>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / host populations>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / bee hemolymph>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / virions>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / infections>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / transkingdom host alteration>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / virus>, <NodeNgramNgram: Cooccurrences calcul Alpha: infectious diseases / phylogenetic analysis>, '...(remaining elements truncated)...']"
-       ]
-      }
-     ],
-     "prompt_number": 98
+     "outputs": [],
+     "prompt_number": 139
     },
     {
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "for cooc in NodeNgramNgram.objects.filter(node=cooc):\n",
-      "    if cooc.score > 10:\n",
+      "for cooccurrence in NodeNgramNgram.objects.filter(node=cooc):\n",
+      "    if cooccurrence.score > 40:\n",
       "        #print(x.ngramX.terms, x.ngramY.terms)\n",
-      "        matrix[cooc.ngramX.terms][cooc.ngramY.terms] = x.score\n",
+      "        matrix[cooccurrence.ngramX.terms][cooccurrence.ngramY.terms] = x.score\n",
       "        "
      ],
      "language": "python",
      "metadata": {},
      "outputs": [],
-     "prompt_number": 125
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "matrix = pd.DataFrame(matrix).T.fillna(0)"
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [],
-     "prompt_number": 126
+     "prompt_number": 148
     },
     {
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "matrix"
+      "df = pd.DataFrame(matrix).T.fillna(0)\n",
+      "df"
      ],
      "language": "python",
      "metadata": {},
@@ -478,349 +443,2143 @@
         "    <tr style=\"text-align: right;\">\n",
         "      <th></th>\n",
         "      <th>animal kingdoms</th>\n",
+        "      <th>bee hemolymph</th>\n",
+        "      <th>colonies</th>\n",
+        "      <th>gastric cecum</th>\n",
+        "      <th>health</th>\n",
+        "      <th>host populations</th>\n",
+        "      <th>infections</th>\n",
         "      <th>infectious diseases</th>\n",
-        "      <th>plant</th>\n",
+        "      <th>intracellular life cycle</th>\n",
+        "      <th>negative impact</th>\n",
+        "      <th>...</th>\n",
+        "      <th>tobacco ringspot</th>\n",
+        "      <th>transkingdom host alteration</th>\n",
+        "      <th>tree topology</th>\n",
+        "      <th>trsv</th>\n",
+        "      <th>trsvs</th>\n",
+        "      <th>varroa</th>\n",
+        "      <th>varroa mites</th>\n",
+        "      <th>virions</th>\n",
+        "      <th>virus</th>\n",
+        "      <th>winter</th>\n",
         "    </tr>\n",
         "  </thead>\n",
         "  <tbody>\n",
         "    <tr>\n",
-        "      <th>animal kingdoms</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>\"</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>apis mellifera</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>\" neonicotinoid</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>bees</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>\" possible</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>cause</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>\" probable</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>ccd</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>( reports</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>ceranae</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>)</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>collapse</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>1-year period</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>colonies</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>10-month period</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>colony collapse disorder</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>&lt;</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>colony collapse disorder ( ccd )</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>abdomen</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>deformed wing</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>ability</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>dwv</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>abiotic factors</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>evidence</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>abnormal pathophysiological condition</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>furthermore</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>abnormality</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>health</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>abpv</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>hives</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>abrupt depopulation</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>honey bee</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>absence</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>honey bee colonies</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>absent</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>honey bees</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>abundance</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>honeybees</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>acarapis woodi</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>iapv</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>acaricidal activity</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>in</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>accumulation</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>infection</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>acetonitrile</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>infections</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>acn</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>infectious diseases</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>act</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>active beehives</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>israeli acute paralysis</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>active ingredients</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>losses</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>active role</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>n</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>activity</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>nosema</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>acts</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>nosema ceranae</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>...</th>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>pathogens</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>wings</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>pesticides</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>winter</th>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td>...</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 0.002278</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>plant</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>winter colony collapse</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>presence</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>winter colony losses</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>prevalence</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>winter losses</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>rna viruses</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>winter mortality</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>samples</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>winter time-points</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>study</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>wintering period</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>transmission</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>winters</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>united states</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>within</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>varroa</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>within-host dynamics</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>virus</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>work</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>viruses</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>worker</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>winter</th>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
-        "      <td> 0</td>\n",
+        "      <th>worker bees</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>workers</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>workshop</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>world</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>world economy</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worldwide</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worldwide decline</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worldwide pollinator</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worst losses</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>xylem</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>year</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>year period</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>years</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>yet controversy</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>younger ages</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>\u03b4ct levels</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>\u03bcg kg</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "  </tbody>\n",
         "</table>\n",
+        "<p>1978 rows \u00d7 26 columns</p>\n",
         "</div>"
        ],
        "metadata": {},
        "output_type": "pyout",
-       "prompt_number": 127,
+       "prompt_number": 149,
        "text": [
-        "                                  animal kingdoms  infectious diseases  plant\n",
-        "animal kingdoms                                 0                    0      0\n",
-        "apis mellifera                                  0                    0      0\n",
-        "bees                                            0                    0      0\n",
-        "cause                                           0                    0      0\n",
-        "ccd                                             0                    0      0\n",
-        "ceranae                                         0                    0      0\n",
-        "collapse                                        0                    0      0\n",
-        "colonies                                        0                    0      0\n",
-        "colony collapse disorder                        0                    0      0\n",
-        "colony collapse disorder ( ccd )                0                    0      0\n",
-        "deformed wing                                   0                    0      0\n",
-        "dwv                                             0                    0      0\n",
-        "evidence                                        0                    0      0\n",
-        "furthermore                                     0                    0      0\n",
-        "health                                          0                    0      0\n",
-        "hives                                           0                    0      0\n",
-        "honey bee                                       0                    0      0\n",
-        "honey bee colonies                              0                    0      0\n",
-        "honey bees                                      0                    0      0\n",
-        "honeybees                                       0                    0      0\n",
-        "iapv                                            0                    0      0\n",
-        "in                                              0                    0      0\n",
-        "infection                                       0                    0      0\n",
-        "infections                                      0                    0      0\n",
-        "infectious diseases                             0                    0      0\n",
-        "israeli acute paralysis                         0                    0      0\n",
-        "losses                                          0                    0      0\n",
-        "n                                               0                    0      0\n",
-        "nosema                                          0                    0      0\n",
-        "nosema ceranae                                  0                    0      0\n",
-        "pathogens                                       0                    0      0\n",
-        "pesticides                                      0                    0      0\n",
-        "plant                                           0                    0      0\n",
-        "presence                                        0                    0      0\n",
-        "prevalence                                      0                    0      0\n",
-        "rna viruses                                     0                    0      0\n",
-        "samples                                         0                    0      0\n",
-        "study                                           0                    0      0\n",
-        "transmission                                    0                    0      0\n",
-        "united states                                   0                    0      0\n",
-        "varroa                                          0                    0      0\n",
-        "virus                                           0                    0      0\n",
-        "viruses                                         0                    0      0\n",
-        "winter                                          0                    0      0"
+        "                                       animal kingdoms  bee hemolymph  \\\n",
+        "\"                                                    0              0   \n",
+        "\" neonicotinoid                                      0              0   \n",
+        "\" possible                                           0              0   \n",
+        "\" probable                                           0              0   \n",
+        "( reports                                            0              0   \n",
+        ")                                                    0              0   \n",
+        "1-year period                                        0              0   \n",
+        "10-month period                                      0              0   \n",
+        "<                                                    0              0   \n",
+        "abdomen                                              0              0   \n",
+        "ability                                              0              0   \n",
+        "abiotic factors                                      0              0   \n",
+        "abnormal pathophysiological condition                0              0   \n",
+        "abnormality                                          0              0   \n",
+        "abpv                                                 0              0   \n",
+        "abrupt depopulation                                  0              0   \n",
+        "absence                                              0              0   \n",
+        "absent                                               0              0   \n",
+        "abundance                                            0              0   \n",
+        "acarapis woodi                                       0              0   \n",
+        "acaricidal activity                                  0              0   \n",
+        "accumulation                                         0              0   \n",
+        "acetonitrile                                         0              0   \n",
+        "acn                                                  0              0   \n",
+        "act                                                  0              0   \n",
+        "active beehives                                      0              0   \n",
+        "active ingredients                                   0              0   \n",
+        "active role                                          0              0   \n",
+        "activity                                             0              0   \n",
+        "acts                                                 0              0   \n",
+        "...                                                ...            ...   \n",
+        "wings                                                0              0   \n",
+        "winter                                              40             40   \n",
+        "winter colony collapse                               0              0   \n",
+        "winter colony losses                                 0              0   \n",
+        "winter losses                                        0              0   \n",
+        "winter mortality                                     0              0   \n",
+        "winter time-points                                   0              0   \n",
+        "wintering period                                     0              0   \n",
+        "winters                                              0              0   \n",
+        "within                                               0              0   \n",
+        "within-host dynamics                                 0              0   \n",
+        "work                                                 0              0   \n",
+        "worker                                               0              0   \n",
+        "worker bees                                          0              0   \n",
+        "workers                                              0              0   \n",
+        "workshop                                             0              0   \n",
+        "world                                                0              0   \n",
+        "world economy                                        0              0   \n",
+        "worldwide                                            0              0   \n",
+        "worldwide decline                                    0              0   \n",
+        "worldwide pollinator                                 0              0   \n",
+        "worst losses                                         0              0   \n",
+        "xylem                                                0              0   \n",
+        "year                                                 0              0   \n",
+        "year period                                          0              0   \n",
+        "years                                                0              0   \n",
+        "yet controversy                                      0              0   \n",
+        "younger ages                                         0              0   \n",
+        "\u03b4ct levels                                           0              0   \n",
+        "\u03bcg kg                                                0              0   \n",
+        "\n",
+        "                                       colonies  gastric cecum  health  \\\n",
+        "\"                                             0              0       0   \n",
+        "\" neonicotinoid                               0              0       0   \n",
+        "\" possible                                    0              0       0   \n",
+        "\" probable                                    0              0       0   \n",
+        "( reports                                     0              0       0   \n",
+        ")                                             0              0       0   \n",
+        "1-year period                                 0              0       0   \n",
+        "10-month period                               0              0       0   \n",
+        "<                                             0              0       0   \n",
+        "abdomen                                       0              0       0   \n",
+        "ability                                       0              0       0   \n",
+        "abiotic factors                               0              0       0   \n",
+        "abnormal pathophysiological condition         0              0       0   \n",
+        "abnormality                                   0              0       0   \n",
+        "abpv                                          0              0       0   \n",
+        "abrupt depopulation                           0              0       0   \n",
+        "absence                                       0              0       0   \n",
+        "absent                                        0              0       0   \n",
+        "abundance                                     0              0       0   \n",
+        "acarapis woodi                                0              0       0   \n",
+        "acaricidal activity                           0              0       0   \n",
+        "accumulation                                  0              0       0   \n",
+        "acetonitrile                                  0              0       0   \n",
+        "acn                                           0              0       0   \n",
+        "act                                           0              0       0   \n",
+        "active beehives                               0              0       0   \n",
+        "active ingredients                            0              0       0   \n",
+        "active role                                   0              0       0   \n",
+        "activity                                      0              0       0   \n",
+        "acts                                          0              0       0   \n",
+        "...                                         ...            ...     ...   \n",
+        "wings                                         0              0       0   \n",
+        "winter                                       40             40      40   \n",
+        "winter colony collapse                        0              0       0   \n",
+        "winter colony losses                          0              0       0   \n",
+        "winter losses                                 0              0       0   \n",
+        "winter mortality                              0              0       0   \n",
+        "winter time-points                            0              0       0   \n",
+        "wintering period                              0              0       0   \n",
+        "winters                                       0              0       0   \n",
+        "within                                        0              0       0   \n",
+        "within-host dynamics                          0              0       0   \n",
+        "work                                          0              0       0   \n",
+        "worker                                        0              0       0   \n",
+        "worker bees                                   0              0       0   \n",
+        "workers                                       0              0       0   \n",
+        "workshop                                      0              0       0   \n",
+        "world                                         0              0       0   \n",
+        "world economy                                 0              0       0   \n",
+        "worldwide                                     0              0       0   \n",
+        "worldwide decline                             0              0       0   \n",
+        "worldwide pollinator                          0              0       0   \n",
+        "worst losses                                  0              0       0   \n",
+        "xylem                                         0              0       0   \n",
+        "year                                          0              0       0   \n",
+        "year period                                   0              0       0   \n",
+        "years                                         0              0       0   \n",
+        "yet controversy                               0              0       0   \n",
+        "younger ages                                  0              0       0   \n",
+        "\u03b4ct levels                                    0              0       0   \n",
+        "\u03bcg kg                                         0              0       0   \n",
+        "\n",
+        "                                       host populations  infections  \\\n",
+        "\"                                                     0           0   \n",
+        "\" neonicotinoid                                       0           0   \n",
+        "\" possible                                            0           0   \n",
+        "\" probable                                            0           0   \n",
+        "( reports                                             0           0   \n",
+        ")                                                     0           0   \n",
+        "1-year period                                         0           0   \n",
+        "10-month period                                       0           0   \n",
+        "<                                                     0           0   \n",
+        "abdomen                                               0           0   \n",
+        "ability                                               0           0   \n",
+        "abiotic factors                                       0           0   \n",
+        "abnormal pathophysiological condition                 0           0   \n",
+        "abnormality                                           0           0   \n",
+        "abpv                                                  0           0   \n",
+        "abrupt depopulation                                   0           0   \n",
+        "absence                                               0           0   \n",
+        "absent                                                0           0   \n",
+        "abundance                                             0           0   \n",
+        "acarapis woodi                                        0           0   \n",
+        "acaricidal activity                                   0           0   \n",
+        "accumulation                                          0           0   \n",
+        "acetonitrile                                          0           0   \n",
+        "acn                                                   0           0   \n",
+        "act                                                   0           0   \n",
+        "active beehives                                       0           0   \n",
+        "active ingredients                                    0           0   \n",
+        "active role                                           0           0   \n",
+        "activity                                              0           0   \n",
+        "acts                                                  0           0   \n",
+        "...                                                 ...         ...   \n",
+        "wings                                                 0           0   \n",
+        "winter                                               40          40   \n",
+        "winter colony collapse                                0           0   \n",
+        "winter colony losses                                  0           0   \n",
+        "winter losses                                         0           0   \n",
+        "winter mortality                                      0           0   \n",
+        "winter time-points                                    0           0   \n",
+        "wintering period                                      0           0   \n",
+        "winters                                               0           0   \n",
+        "within                                                0           0   \n",
+        "within-host dynamics                                  0           0   \n",
+        "work                                                  0           0   \n",
+        "worker                                                0           0   \n",
+        "worker bees                                           0           0   \n",
+        "workers                                               0           0   \n",
+        "workshop                                              0           0   \n",
+        "world                                                 0           0   \n",
+        "world economy                                         0           0   \n",
+        "worldwide                                             0           0   \n",
+        "worldwide decline                                     0           0   \n",
+        "worldwide pollinator                                  0           0   \n",
+        "worst losses                                          0           0   \n",
+        "xylem                                                 0           0   \n",
+        "year                                                  0           0   \n",
+        "year period                                           0           0   \n",
+        "years                                                 0           0   \n",
+        "yet controversy                                       0           0   \n",
+        "younger ages                                          0           0   \n",
+        "\u03b4ct levels                                            0           0   \n",
+        "\u03bcg kg                                                 0           0   \n",
+        "\n",
+        "                                       infectious diseases  \\\n",
+        "\"                                                        0   \n",
+        "\" neonicotinoid                                          0   \n",
+        "\" possible                                               0   \n",
+        "\" probable                                               0   \n",
+        "( reports                                                0   \n",
+        ")                                                        0   \n",
+        "1-year period                                            0   \n",
+        "10-month period                                          0   \n",
+        "<                                                        0   \n",
+        "abdomen                                                  0   \n",
+        "ability                                                  0   \n",
+        "abiotic factors                                          0   \n",
+        "abnormal pathophysiological condition                    0   \n",
+        "abnormality                                              0   \n",
+        "abpv                                                     0   \n",
+        "abrupt depopulation                                      0   \n",
+        "absence                                                  0   \n",
+        "absent                                                   0   \n",
+        "abundance                                                0   \n",
+        "acarapis woodi                                           0   \n",
+        "acaricidal activity                                      0   \n",
+        "accumulation                                             0   \n",
+        "acetonitrile                                             0   \n",
+        "acn                                                      0   \n",
+        "act                                                      0   \n",
+        "active beehives                                          0   \n",
+        "active ingredients                                       0   \n",
+        "active role                                              0   \n",
+        "activity                                                 0   \n",
+        "acts                                                     0   \n",
+        "...                                                    ...   \n",
+        "wings                                                    0   \n",
+        "winter                                                  40   \n",
+        "winter colony collapse                                   0   \n",
+        "winter colony losses                                     0   \n",
+        "winter losses                                            0   \n",
+        "winter mortality                                         0   \n",
+        "winter time-points                                       0   \n",
+        "wintering period                                         0   \n",
+        "winters                                                  0   \n",
+        "within                                                   0   \n",
+        "within-host dynamics                                     0   \n",
+        "work                                                     0   \n",
+        "worker                                                   0   \n",
+        "worker bees                                              0   \n",
+        "workers                                                  0   \n",
+        "workshop                                                 0   \n",
+        "world                                                    0   \n",
+        "world economy                                            0   \n",
+        "worldwide                                                0   \n",
+        "worldwide decline                                        0   \n",
+        "worldwide pollinator                                     0   \n",
+        "worst losses                                             0   \n",
+        "xylem                                                    0   \n",
+        "year                                                     0   \n",
+        "year period                                              0   \n",
+        "years                                                    0   \n",
+        "yet controversy                                          0   \n",
+        "younger ages                                             0   \n",
+        "\u03b4ct levels                                               0   \n",
+        "\u03bcg kg                                                    0   \n",
+        "\n",
+        "                                       intracellular life cycle  \\\n",
+        "\"                                                             0   \n",
+        "\" neonicotinoid                                               0   \n",
+        "\" possible                                                    0   \n",
+        "\" probable                                                    0   \n",
+        "( reports                                                     0   \n",
+        ")                                                             0   \n",
+        "1-year period                                                 0   \n",
+        "10-month period                                               0   \n",
+        "<                                                             0   \n",
+        "abdomen                                                       0   \n",
+        "ability                                                       0   \n",
+        "abiotic factors                                               0   \n",
+        "abnormal pathophysiological condition                         0   \n",
+        "abnormality                                                   0   \n",
+        "abpv                                                          0   \n",
+        "abrupt depopulation                                           0   \n",
+        "absence                                                       0   \n",
+        "absent                                                        0   \n",
+        "abundance                                                     0   \n",
+        "acarapis woodi                                                0   \n",
+        "acaricidal activity                                           0   \n",
+        "accumulation                                                  0   \n",
+        "acetonitrile                                                  0   \n",
+        "acn                                                           0   \n",
+        "act                                                           0   \n",
+        "active beehives                                               0   \n",
+        "active ingredients                                            0   \n",
+        "active role                                                   0   \n",
+        "activity                                                      0   \n",
+        "acts                                                          0   \n",
+        "...                                                         ...   \n",
+        "wings                                                         0   \n",
+        "winter                                                       40   \n",
+        "winter colony collapse                                        0   \n",
+        "winter colony losses                                          0   \n",
+        "winter losses                                                 0   \n",
+        "winter mortality                                              0   \n",
+        "winter time-points                                            0   \n",
+        "wintering period                                              0   \n",
+        "winters                                                       0   \n",
+        "within                                                        0   \n",
+        "within-host dynamics                                          0   \n",
+        "work                                                          0   \n",
+        "worker                                                        0   \n",
+        "worker bees                                                   0   \n",
+        "workers                                                       0   \n",
+        "workshop                                                      0   \n",
+        "world                                                         0   \n",
+        "world economy                                                 0   \n",
+        "worldwide                                                     0   \n",
+        "worldwide decline                                             0   \n",
+        "worldwide pollinator                                          0   \n",
+        "worst losses                                                  0   \n",
+        "xylem                                                         0   \n",
+        "year                                                          0   \n",
+        "year period                                                   0   \n",
+        "years                                                         0   \n",
+        "yet controversy                                               0   \n",
+        "younger ages                                                  0   \n",
+        "\u03b4ct levels                                                    0   \n",
+        "\u03bcg kg                                                         0   \n",
+        "\n",
+        "                                       negative impact       ...         \\\n",
+        "\"                                                    0       ...          \n",
+        "\" neonicotinoid                                      0       ...          \n",
+        "\" possible                                           0       ...          \n",
+        "\" probable                                           0       ...          \n",
+        "( reports                                            0       ...          \n",
+        ")                                                    0       ...          \n",
+        "1-year period                                        0       ...          \n",
+        "10-month period                                      0       ...          \n",
+        "<                                                    0       ...          \n",
+        "abdomen                                              0       ...          \n",
+        "ability                                              0       ...          \n",
+        "abiotic factors                                      0       ...          \n",
+        "abnormal pathophysiological condition                0       ...          \n",
+        "abnormality                                          0       ...          \n",
+        "abpv                                                 0       ...          \n",
+        "abrupt depopulation                                  0       ...          \n",
+        "absence                                              0       ...          \n",
+        "absent                                               0       ...          \n",
+        "abundance                                            0       ...          \n",
+        "acarapis woodi                                       0       ...          \n",
+        "acaricidal activity                                  0       ...          \n",
+        "accumulation                                         0       ...          \n",
+        "acetonitrile                                         0       ...          \n",
+        "acn                                                  0       ...          \n",
+        "act                                                  0       ...          \n",
+        "active beehives                                      0       ...          \n",
+        "active ingredients                                   0       ...          \n",
+        "active role                                          0       ...          \n",
+        "activity                                             0       ...          \n",
+        "acts                                                 0       ...          \n",
+        "...                                                ...       ...          \n",
+        "wings                                                0       ...          \n",
+        "winter                                              40       ...          \n",
+        "winter colony collapse                               0       ...          \n",
+        "winter colony losses                                 0       ...          \n",
+        "winter losses                                        0       ...          \n",
+        "winter mortality                                     0       ...          \n",
+        "winter time-points                                   0       ...          \n",
+        "wintering period                                     0       ...          \n",
+        "winters                                              0       ...          \n",
+        "within                                               0       ...          \n",
+        "within-host dynamics                                 0       ...          \n",
+        "work                                                 0       ...          \n",
+        "worker                                               0       ...          \n",
+        "worker bees                                          0       ...          \n",
+        "workers                                              0       ...          \n",
+        "workshop                                             0       ...          \n",
+        "world                                                0       ...          \n",
+        "world economy                                        0       ...          \n",
+        "worldwide                                            0       ...          \n",
+        "worldwide decline                                    0       ...          \n",
+        "worldwide pollinator                                 0       ...          \n",
+        "worst losses                                         0       ...          \n",
+        "xylem                                                0       ...          \n",
+        "year                                                 0       ...          \n",
+        "year period                                          0       ...          \n",
+        "years                                                0       ...          \n",
+        "yet controversy                                      0       ...          \n",
+        "younger ages                                         0       ...          \n",
+        "\u03b4ct levels                                           0       ...          \n",
+        "\u03bcg kg                                                0       ...          \n",
+        "\n",
+        "                                       tobacco ringspot  \\\n",
+        "\"                                                     0   \n",
+        "\" neonicotinoid                                       0   \n",
+        "\" possible                                            0   \n",
+        "\" probable                                            0   \n",
+        "( reports                                             0   \n",
+        ")                                                     0   \n",
+        "1-year period                                         0   \n",
+        "10-month period                                       0   \n",
+        "<                                                     0   \n",
+        "abdomen                                               0   \n",
+        "ability                                               0   \n",
+        "abiotic factors                                       0   \n",
+        "abnormal pathophysiological condition                 0   \n",
+        "abnormality                                           0   \n",
+        "abpv                                                  0   \n",
+        "abrupt depopulation                                   0   \n",
+        "absence                                               0   \n",
+        "absent                                                0   \n",
+        "abundance                                             0   \n",
+        "acarapis woodi                                        0   \n",
+        "acaricidal activity                                   0   \n",
+        "accumulation                                          0   \n",
+        "acetonitrile                                          0   \n",
+        "acn                                                   0   \n",
+        "act                                                   0   \n",
+        "active beehives                                       0   \n",
+        "active ingredients                                    0   \n",
+        "active role                                           0   \n",
+        "activity                                              0   \n",
+        "acts                                                  0   \n",
+        "...                                                 ...   \n",
+        "wings                                                 0   \n",
+        "winter                                               40   \n",
+        "winter colony collapse                                0   \n",
+        "winter colony losses                                  0   \n",
+        "winter losses                                         0   \n",
+        "winter mortality                                      0   \n",
+        "winter time-points                                    0   \n",
+        "wintering period                                      0   \n",
+        "winters                                               0   \n",
+        "within                                                0   \n",
+        "within-host dynamics                                  0   \n",
+        "work                                                  0   \n",
+        "worker                                                0   \n",
+        "worker bees                                           0   \n",
+        "workers                                               0   \n",
+        "workshop                                              0   \n",
+        "world                                                 0   \n",
+        "world economy                                         0   \n",
+        "worldwide                                             0   \n",
+        "worldwide decline                                     0   \n",
+        "worldwide pollinator                                  0   \n",
+        "worst losses                                          0   \n",
+        "xylem                                                 0   \n",
+        "year                                                  0   \n",
+        "year period                                           0   \n",
+        "years                                                 0   \n",
+        "yet controversy                                       0   \n",
+        "younger ages                                          0   \n",
+        "\u03b4ct levels                                            0   \n",
+        "\u03bcg kg                                                 0   \n",
+        "\n",
+        "                                       transkingdom host alteration  \\\n",
+        "\"                                                                 0   \n",
+        "\" neonicotinoid                                                   0   \n",
+        "\" possible                                                        0   \n",
+        "\" probable                                                        0   \n",
+        "( reports                                                         0   \n",
+        ")                                                                 0   \n",
+        "1-year period                                                     0   \n",
+        "10-month period                                                   0   \n",
+        "<                                                                 0   \n",
+        "abdomen                                                           0   \n",
+        "ability                                                           0   \n",
+        "abiotic factors                                                   0   \n",
+        "abnormal pathophysiological condition                             0   \n",
+        "abnormality                                                       0   \n",
+        "abpv                                                              0   \n",
+        "abrupt depopulation                                               0   \n",
+        "absence                                                           0   \n",
+        "absent                                                            0   \n",
+        "abundance                                                         0   \n",
+        "acarapis woodi                                                    0   \n",
+        "acaricidal activity                                               0   \n",
+        "accumulation                                                      0   \n",
+        "acetonitrile                                                      0   \n",
+        "acn                                                               0   \n",
+        "act                                                               0   \n",
+        "active beehives                                                   0   \n",
+        "active ingredients                                                0   \n",
+        "active role                                                       0   \n",
+        "activity                                                          0   \n",
+        "acts                                                              0   \n",
+        "...                                                             ...   \n",
+        "wings                                                             0   \n",
+        "winter                                                           40   \n",
+        "winter colony collapse                                            0   \n",
+        "winter colony losses                                              0   \n",
+        "winter losses                                                     0   \n",
+        "winter mortality                                                  0   \n",
+        "winter time-points                                                0   \n",
+        "wintering period                                                  0   \n",
+        "winters                                                           0   \n",
+        "within                                                            0   \n",
+        "within-host dynamics                                              0   \n",
+        "work                                                              0   \n",
+        "worker                                                            0   \n",
+        "worker bees                                                       0   \n",
+        "workers                                                           0   \n",
+        "workshop                                                          0   \n",
+        "world                                                             0   \n",
+        "world economy                                                     0   \n",
+        "worldwide                                                         0   \n",
+        "worldwide decline                                                 0   \n",
+        "worldwide pollinator                                              0   \n",
+        "worst losses                                                      0   \n",
+        "xylem                                                             0   \n",
+        "year                                                              0   \n",
+        "year period                                                       0   \n",
+        "years                                                             0   \n",
+        "yet controversy                                                   0   \n",
+        "younger ages                                                      0   \n",
+        "\u03b4ct levels                                                        0   \n",
+        "\u03bcg kg                                                             0   \n",
+        "\n",
+        "                                       tree topology  trsv  trsvs  varroa  \\\n",
+        "\"                                                  0     0      0       0   \n",
+        "\" neonicotinoid                                    0     0      0       0   \n",
+        "\" possible                                         0     0      0       0   \n",
+        "\" probable                                         0     0      0       0   \n",
+        "( reports                                          0     0      0       0   \n",
+        ")                                                  0     0      0       0   \n",
+        "1-year period                                      0     0      0       0   \n",
+        "10-month period                                    0     0      0       0   \n",
+        "<                                                  0     0      0       0   \n",
+        "abdomen                                            0     0      0       0   \n",
+        "ability                                            0     0      0       0   \n",
+        "abiotic factors                                    0     0      0       0   \n",
+        "abnormal pathophysiological condition              0     0      0       0   \n",
+        "abnormality                                        0     0      0       0   \n",
+        "abpv                                               0     0      0       0   \n",
+        "abrupt depopulation                                0     0      0       0   \n",
+        "absence                                            0     0      0       0   \n",
+        "absent                                             0     0      0       0   \n",
+        "abundance                                          0     0      0       0   \n",
+        "acarapis woodi                                     0     0      0       0   \n",
+        "acaricidal activity                                0     0      0       0   \n",
+        "accumulation                                       0     0      0       0   \n",
+        "acetonitrile                                       0     0      0       0   \n",
+        "acn                                                0     0      0       0   \n",
+        "act                                                0     0      0       0   \n",
+        "active beehives                                    0     0      0       0   \n",
+        "active ingredients                                 0     0      0       0   \n",
+        "active role                                        0     0      0       0   \n",
+        "activity                                           0     0      0       0   \n",
+        "acts                                               0     0      0       0   \n",
+        "...                                              ...   ...    ...     ...   \n",
+        "wings                                              0     0      0       0   \n",
+        "winter                                            40    40     40      40   \n",
+        "winter colony collapse                             0     0      0       0   \n",
+        "winter colony losses                               0     0      0       0   \n",
+        "winter losses                                      0     0      0       0   \n",
+        "winter mortality                                   0     0      0       0   \n",
+        "winter time-points                                 0     0      0       0   \n",
+        "wintering period                                   0     0      0       0   \n",
+        "winters                                            0     0      0       0   \n",
+        "within                                             0     0      0       0   \n",
+        "within-host dynamics                               0     0      0       0   \n",
+        "work                                               0     0      0       0   \n",
+        "worker                                             0     0      0       0   \n",
+        "worker bees                                        0     0      0       0   \n",
+        "workers                                            0     0      0       0   \n",
+        "workshop                                           0     0      0       0   \n",
+        "world                                              0     0      0       0   \n",
+        "world economy                                      0     0      0       0   \n",
+        "worldwide                                          0     0      0       0   \n",
+        "worldwide decline                                  0     0      0       0   \n",
+        "worldwide pollinator                               0     0      0       0   \n",
+        "worst losses                                       0     0      0       0   \n",
+        "xylem                                              0     0      0       0   \n",
+        "year                                               0     0      0       0   \n",
+        "year period                                        0     0      0       0   \n",
+        "years                                              0     0      0       0   \n",
+        "yet controversy                                    0     0      0       0   \n",
+        "younger ages                                       0     0      0       0   \n",
+        "\u03b4ct levels                                         0     0      0       0   \n",
+        "\u03bcg kg                                              0     0      0       0   \n",
+        "\n",
+        "                                       varroa mites  virions  virus    winter  \n",
+        "\"                                                 0        0      0  0.000000  \n",
+        "\" neonicotinoid                                   0        0      0  0.000000  \n",
+        "\" possible                                        0        0      0  0.000000  \n",
+        "\" probable                                        0        0      0  0.000000  \n",
+        "( reports                                         0        0      0  0.000000  \n",
+        ")                                                 0        0      0  0.000000  \n",
+        "1-year period                                     0        0      0  0.000000  \n",
+        "10-month period                                   0        0      0  0.000000  \n",
+        "<                                                 0        0      0  0.000000  \n",
+        "abdomen                                           0        0      0  0.000000  \n",
+        "ability                                           0        0      0  0.000000  \n",
+        "abiotic factors                                   0        0      0  0.000000  \n",
+        "abnormal pathophysiological condition             0        0      0  0.000000  \n",
+        "abnormality                                       0        0      0  0.000000  \n",
+        "abpv                                              0        0      0  0.000000  \n",
+        "abrupt depopulation                               0        0      0  0.000000  \n",
+        "absence                                           0        0      0  0.000000  \n",
+        "absent                                            0        0      0  0.000000  \n",
+        "abundance                                         0        0      0  0.000000  \n",
+        "acarapis woodi                                    0        0      0  0.000000  \n",
+        "acaricidal activity                               0        0      0  0.000000  \n",
+        "accumulation                                      0        0      0  0.000000  \n",
+        "acetonitrile                                      0        0      0  0.000000  \n",
+        "acn                                               0        0      0  0.000000  \n",
+        "act                                               0        0      0  0.000000  \n",
+        "active beehives                                   0        0      0  0.000000  \n",
+        "active ingredients                                0        0      0  0.000000  \n",
+        "active role                                       0        0      0  0.000000  \n",
+        "activity                                          0        0      0  0.000000  \n",
+        "acts                                              0        0      0  0.000000  \n",
+        "...                                             ...      ...    ...       ...  \n",
+        "wings                                             0        0      0  0.000000  \n",
+        "winter                                           40       40     40  0.002278  \n",
+        "winter colony collapse                            0        0      0  0.000000  \n",
+        "winter colony losses                              0        0      0  0.000000  \n",
+        "winter losses                                     0        0      0  0.000000  \n",
+        "winter mortality                                  0        0      0  0.000000  \n",
+        "winter time-points                                0        0      0  0.000000  \n",
+        "wintering period                                  0        0      0  0.000000  \n",
+        "winters                                           0        0      0  0.000000  \n",
+        "within                                            0        0      0  0.000000  \n",
+        "within-host dynamics                              0        0      0  0.000000  \n",
+        "work                                              0        0      0  0.000000  \n",
+        "worker                                            0        0      0  0.000000  \n",
+        "worker bees                                       0        0      0  0.000000  \n",
+        "workers                                           0        0      0  0.000000  \n",
+        "workshop                                          0        0      0  0.000000  \n",
+        "world                                             0        0      0  0.000000  \n",
+        "world economy                                     0        0      0  0.000000  \n",
+        "worldwide                                         0        0      0  0.000000  \n",
+        "worldwide decline                                 0        0      0  0.000000  \n",
+        "worldwide pollinator                              0        0      0  0.000000  \n",
+        "worst losses                                      0        0      0  0.000000  \n",
+        "xylem                                             0        0      0  0.000000  \n",
+        "year                                              0        0      0  0.000000  \n",
+        "year period                                       0        0      0  0.000000  \n",
+        "years                                             0        0      0  0.000000  \n",
+        "yet controversy                                   0        0      0  0.000000  \n",
+        "younger ages                                      0        0      0  0.000000  \n",
+        "\u03b4ct levels                                        0        0      0  0.000000  \n",
+        "\u03bcg kg                                             0        0      0  0.000000  \n",
+        "\n",
+        "[1978 rows x 26 columns]"
        ]
       }
      ],
-     "prompt_number": 127
-    },
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [
-      "matrix /= matrix.sum(axis=1)"
-     ],
-     "language": "python",
-     "metadata": {},
-     "outputs": [],
-     "prompt_number": 123
+     "prompt_number": 149
     },
     {
      "cell_type": "code",
      "collapsed": false,
      "input": [
-      "matrix"
+      "df"
      ],
      "language": "python",
      "metadata": {},
@@ -833,145 +2592,2967 @@
         "    <tr style=\"text-align: right;\">\n",
         "      <th></th>\n",
         "      <th>animal kingdoms</th>\n",
-        "      <th>apis mellifera</th>\n",
-        "      <th>bees</th>\n",
-        "      <th>cause</th>\n",
-        "      <th>ccd</th>\n",
-        "      <th>ceranae</th>\n",
-        "      <th>collapse</th>\n",
+        "      <th>bee hemolymph</th>\n",
         "      <th>colonies</th>\n",
-        "      <th>colony collapse disorder</th>\n",
-        "      <th>colony collapse disorder ( ccd )</th>\n",
+        "      <th>gastric cecum</th>\n",
+        "      <th>health</th>\n",
+        "      <th>host populations</th>\n",
+        "      <th>infections</th>\n",
+        "      <th>infectious diseases</th>\n",
+        "      <th>intracellular life cycle</th>\n",
+        "      <th>negative impact</th>\n",
         "      <th>...</th>\n",
-        "      <th>prevalence</th>\n",
-        "      <th>rna viruses</th>\n",
-        "      <th>samples</th>\n",
-        "      <th>study</th>\n",
-        "      <th>transmission</th>\n",
-        "      <th>united states</th>\n",
+        "      <th>tobacco ringspot</th>\n",
+        "      <th>transkingdom host alteration</th>\n",
+        "      <th>tree topology</th>\n",
+        "      <th>trsv</th>\n",
+        "      <th>trsvs</th>\n",
         "      <th>varroa</th>\n",
+        "      <th>varroa mites</th>\n",
+        "      <th>virions</th>\n",
         "      <th>virus</th>\n",
-        "      <th>viruses</th>\n",
         "      <th>winter</th>\n",
         "    </tr>\n",
         "  </thead>\n",
         "  <tbody>\n",
         "    <tr>\n",
-        "      <th>animal kingdoms</th>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
+        "      <th>\"</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
         "      <td>...</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>infectious diseases</th>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
+        "      <th>\" neonicotinoid</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
         "      <td>...</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
         "    <tr>\n",
-        "      <th>plant</th>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
+        "      <th>\" possible</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
         "      <td>...</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
-        "      <td>NaN</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
         "    </tr>\n",
-        "  </tbody>\n",
-        "</table>\n",
-        "<p>3 rows \u00d7 44 columns</p>\n",
-        "</div>"
-       ],
-       "metadata": {},
-       "output_type": "pyout",
-       "prompt_number": 124,
-       "text": [
-        "                     animal kingdoms  apis mellifera  bees  cause  ccd  \\\n",
-        "animal kingdoms                  NaN             NaN   NaN    NaN  NaN   \n",
-        "infectious diseases              NaN             NaN   NaN    NaN  NaN   \n",
-        "plant                            NaN             NaN   NaN    NaN  NaN   \n",
-        "\n",
-        "                     ceranae  collapse  colonies  colony collapse disorder  \\\n",
-        "animal kingdoms          NaN       NaN       NaN                       NaN   \n",
-        "infectious diseases      NaN       NaN       NaN                       NaN   \n",
-        "plant                    NaN       NaN       NaN                       NaN   \n",
+        "    <tr>\n",
+        "      <th>\" probable</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>( reports</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>)</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>1-year period</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>10-month period</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>&lt;</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>abdomen</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>ability</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>abiotic factors</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>abnormal pathophysiological condition</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>abnormality</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>abpv</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>abrupt depopulation</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>absence</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>absent</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>abundance</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>acarapis woodi</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>acaricidal activity</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>accumulation</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>acetonitrile</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>acn</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>act</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>active beehives</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>active ingredients</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>active role</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>activity</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>acts</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>...</th>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "      <td>...</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>wings</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>winter</th>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td>...</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 40</td>\n",
+        "      <td> 0.002278</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>winter colony collapse</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>winter colony losses</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>winter losses</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>winter mortality</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>winter time-points</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>wintering period</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>winters</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>within</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>within-host dynamics</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>work</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worker</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worker bees</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>workers</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>workshop</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>world</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>world economy</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worldwide</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worldwide decline</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worldwide pollinator</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>worst losses</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>xylem</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>year</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>year period</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>years</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>yet controversy</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>younger ages</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>\u03b4ct levels</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>\u03bcg kg</th>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>...</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td>  0</td>\n",
+        "      <td> 0.000000</td>\n",
+        "    </tr>\n",
+        "  </tbody>\n",
+        "</table>\n",
+        "<p>1978 rows \u00d7 26 columns</p>\n",
+        "</div>"
+       ],
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 147,
+       "text": [
+        "                                       animal kingdoms  bee hemolymph  \\\n",
+        "\"                                                    0              0   \n",
+        "\" neonicotinoid                                      0              0   \n",
+        "\" possible                                           0              0   \n",
+        "\" probable                                           0              0   \n",
+        "( reports                                            0              0   \n",
+        ")                                                    0              0   \n",
+        "1-year period                                        0              0   \n",
+        "10-month period                                      0              0   \n",
+        "<                                                    0              0   \n",
+        "abdomen                                              0              0   \n",
+        "ability                                              0              0   \n",
+        "abiotic factors                                      0              0   \n",
+        "abnormal pathophysiological condition                0              0   \n",
+        "abnormality                                          0              0   \n",
+        "abpv                                                 0              0   \n",
+        "abrupt depopulation                                  0              0   \n",
+        "absence                                              0              0   \n",
+        "absent                                               0              0   \n",
+        "abundance                                            0              0   \n",
+        "acarapis woodi                                       0              0   \n",
+        "acaricidal activity                                  0              0   \n",
+        "accumulation                                         0              0   \n",
+        "acetonitrile                                         0              0   \n",
+        "acn                                                  0              0   \n",
+        "act                                                  0              0   \n",
+        "active beehives                                      0              0   \n",
+        "active ingredients                                   0              0   \n",
+        "active role                                          0              0   \n",
+        "activity                                             0              0   \n",
+        "acts                                                 0              0   \n",
+        "...                                                ...            ...   \n",
+        "wings                                                0              0   \n",
+        "winter                                              40             40   \n",
+        "winter colony collapse                               0              0   \n",
+        "winter colony losses                                 0              0   \n",
+        "winter losses                                        0              0   \n",
+        "winter mortality                                     0              0   \n",
+        "winter time-points                                   0              0   \n",
+        "wintering period                                     0              0   \n",
+        "winters                                              0              0   \n",
+        "within                                               0              0   \n",
+        "within-host dynamics                                 0              0   \n",
+        "work                                                 0              0   \n",
+        "worker                                               0              0   \n",
+        "worker bees                                          0              0   \n",
+        "workers                                              0              0   \n",
+        "workshop                                             0              0   \n",
+        "world                                                0              0   \n",
+        "world economy                                        0              0   \n",
+        "worldwide                                            0              0   \n",
+        "worldwide decline                                    0              0   \n",
+        "worldwide pollinator                                 0              0   \n",
+        "worst losses                                         0              0   \n",
+        "xylem                                                0              0   \n",
+        "year                                                 0              0   \n",
+        "year period                                          0              0   \n",
+        "years                                                0              0   \n",
+        "yet controversy                                      0              0   \n",
+        "younger ages                                         0              0   \n",
+        "\u03b4ct levels                                           0              0   \n",
+        "\u03bcg kg                                                0              0   \n",
+        "\n",
+        "                                       colonies  gastric cecum  health  \\\n",
+        "\"                                             0              0       0   \n",
+        "\" neonicotinoid                               0              0       0   \n",
+        "\" possible                                    0              0       0   \n",
+        "\" probable                                    0              0       0   \n",
+        "( reports                                     0              0       0   \n",
+        ")                                             0              0       0   \n",
+        "1-year period                                 0              0       0   \n",
+        "10-month period                               0              0       0   \n",
+        "<                                             0              0       0   \n",
+        "abdomen                                       0              0       0   \n",
+        "ability                                       0              0       0   \n",
+        "abiotic factors                               0              0       0   \n",
+        "abnormal pathophysiological condition         0              0       0   \n",
+        "abnormality                                   0              0       0   \n",
+        "abpv                                          0              0       0   \n",
+        "abrupt depopulation                           0              0       0   \n",
+        "absence                                       0              0       0   \n",
+        "absent                                        0              0       0   \n",
+        "abundance                                     0              0       0   \n",
+        "acarapis woodi                                0              0       0   \n",
+        "acaricidal activity                           0              0       0   \n",
+        "accumulation                                  0              0       0   \n",
+        "acetonitrile                                  0              0       0   \n",
+        "acn                                           0              0       0   \n",
+        "act                                           0              0       0   \n",
+        "active beehives                               0              0       0   \n",
+        "active ingredients                            0              0       0   \n",
+        "active role                                   0              0       0   \n",
+        "activity                                      0              0       0   \n",
+        "acts                                          0              0       0   \n",
+        "...                                         ...            ...     ...   \n",
+        "wings                                         0              0       0   \n",
+        "winter                                       40             40      40   \n",
+        "winter colony collapse                        0              0       0   \n",
+        "winter colony losses                          0              0       0   \n",
+        "winter losses                                 0              0       0   \n",
+        "winter mortality                              0              0       0   \n",
+        "winter time-points                            0              0       0   \n",
+        "wintering period                              0              0       0   \n",
+        "winters                                       0              0       0   \n",
+        "within                                        0              0       0   \n",
+        "within-host dynamics                          0              0       0   \n",
+        "work                                          0              0       0   \n",
+        "worker                                        0              0       0   \n",
+        "worker bees                                   0              0       0   \n",
+        "workers                                       0              0       0   \n",
+        "workshop                                      0              0       0   \n",
+        "world                                         0              0       0   \n",
+        "world economy                                 0              0       0   \n",
+        "worldwide                                     0              0       0   \n",
+        "worldwide decline                             0              0       0   \n",
+        "worldwide pollinator                          0              0       0   \n",
+        "worst losses                                  0              0       0   \n",
+        "xylem                                         0              0       0   \n",
+        "year                                          0              0       0   \n",
+        "year period                                   0              0       0   \n",
+        "years                                         0              0       0   \n",
+        "yet controversy                               0              0       0   \n",
+        "younger ages                                  0              0       0   \n",
+        "\u03b4ct levels                                    0              0       0   \n",
+        "\u03bcg kg                                         0              0       0   \n",
+        "\n",
+        "                                       host populations  infections  \\\n",
+        "\"                                                     0           0   \n",
+        "\" neonicotinoid                                       0           0   \n",
+        "\" possible                                            0           0   \n",
+        "\" probable                                            0           0   \n",
+        "( reports                                             0           0   \n",
+        ")                                                     0           0   \n",
+        "1-year period                                         0           0   \n",
+        "10-month period                                       0           0   \n",
+        "<                                                     0           0   \n",
+        "abdomen                                               0           0   \n",
+        "ability                                               0           0   \n",
+        "abiotic factors                                       0           0   \n",
+        "abnormal pathophysiological condition                 0           0   \n",
+        "abnormality                                           0           0   \n",
+        "abpv                                                  0           0   \n",
+        "abrupt depopulation                                   0           0   \n",
+        "absence                                               0           0   \n",
+        "absent                                                0           0   \n",
+        "abundance                                             0           0   \n",
+        "acarapis woodi                                        0           0   \n",
+        "acaricidal activity                                   0           0   \n",
+        "accumulation                                          0           0   \n",
+        "acetonitrile                                          0           0   \n",
+        "acn                                                   0           0   \n",
+        "act                                                   0           0   \n",
+        "active beehives                                       0           0   \n",
+        "active ingredients                                    0           0   \n",
+        "active role                                           0           0   \n",
+        "activity                                              0           0   \n",
+        "acts                                                  0           0   \n",
+        "...                                                 ...         ...   \n",
+        "wings                                                 0           0   \n",
+        "winter                                               40          40   \n",
+        "winter colony collapse                                0           0   \n",
+        "winter colony losses                                  0           0   \n",
+        "winter losses                                         0           0   \n",
+        "winter mortality                                      0           0   \n",
+        "winter time-points                                    0           0   \n",
+        "wintering period                                      0           0   \n",
+        "winters                                               0           0   \n",
+        "within                                                0           0   \n",
+        "within-host dynamics                                  0           0   \n",
+        "work                                                  0           0   \n",
+        "worker                                                0           0   \n",
+        "worker bees                                           0           0   \n",
+        "workers                                               0           0   \n",
+        "workshop                                              0           0   \n",
+        "world                                                 0           0   \n",
+        "world economy                                         0           0   \n",
+        "worldwide                                             0           0   \n",
+        "worldwide decline                                     0           0   \n",
+        "worldwide pollinator                                  0           0   \n",
+        "worst losses                                          0           0   \n",
+        "xylem                                                 0           0   \n",
+        "year                                                  0           0   \n",
+        "year period                                           0           0   \n",
+        "years                                                 0           0   \n",
+        "yet controversy                                       0           0   \n",
+        "younger ages                                          0           0   \n",
+        "\u03b4ct levels                                            0           0   \n",
+        "\u03bcg kg                                                 0           0   \n",
+        "\n",
+        "                                       infectious diseases  \\\n",
+        "\"                                                        0   \n",
+        "\" neonicotinoid                                          0   \n",
+        "\" possible                                               0   \n",
+        "\" probable                                               0   \n",
+        "( reports                                                0   \n",
+        ")                                                        0   \n",
+        "1-year period                                            0   \n",
+        "10-month period                                          0   \n",
+        "<                                                        0   \n",
+        "abdomen                                                  0   \n",
+        "ability                                                  0   \n",
+        "abiotic factors                                          0   \n",
+        "abnormal pathophysiological condition                    0   \n",
+        "abnormality                                              0   \n",
+        "abpv                                                     0   \n",
+        "abrupt depopulation                                      0   \n",
+        "absence                                                  0   \n",
+        "absent                                                   0   \n",
+        "abundance                                                0   \n",
+        "acarapis woodi                                           0   \n",
+        "acaricidal activity                                      0   \n",
+        "accumulation                                             0   \n",
+        "acetonitrile                                             0   \n",
+        "acn                                                      0   \n",
+        "act                                                      0   \n",
+        "active beehives                                          0   \n",
+        "active ingredients                                       0   \n",
+        "active role                                              0   \n",
+        "activity                                                 0   \n",
+        "acts                                                     0   \n",
+        "...                                                    ...   \n",
+        "wings                                                    0   \n",
+        "winter                                                  40   \n",
+        "winter colony collapse                                   0   \n",
+        "winter colony losses                                     0   \n",
+        "winter losses                                            0   \n",
+        "winter mortality                                         0   \n",
+        "winter time-points                                       0   \n",
+        "wintering period                                         0   \n",
+        "winters                                                  0   \n",
+        "within                                                   0   \n",
+        "within-host dynamics                                     0   \n",
+        "work                                                     0   \n",
+        "worker                                                   0   \n",
+        "worker bees                                              0   \n",
+        "workers                                                  0   \n",
+        "workshop                                                 0   \n",
+        "world                                                    0   \n",
+        "world economy                                            0   \n",
+        "worldwide                                                0   \n",
+        "worldwide decline                                        0   \n",
+        "worldwide pollinator                                     0   \n",
+        "worst losses                                             0   \n",
+        "xylem                                                    0   \n",
+        "year                                                     0   \n",
+        "year period                                              0   \n",
+        "years                                                    0   \n",
+        "yet controversy                                          0   \n",
+        "younger ages                                             0   \n",
+        "\u03b4ct levels                                               0   \n",
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+        "\n",
+        "                                       intracellular life cycle  \\\n",
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+        "\u03bcg kg                                                         0   \n",
+        "\n",
+        "                                       negative impact       ...         \\\n",
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+        "\u03bcg kg                                                 0   \n",
+        "\n",
+        "                                       transkingdom host alteration  \\\n",
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+        "\n",
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+        "\n",
+        "[1978 rows x 26 columns]"
+       ]
+      }
+     ],
+     "prompt_number": 147
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "matrix /= matrix.sum(axis=1)"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [],
+     "prompt_number": 143
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "matrix"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
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+        "      <th>\u03bcg kg</th>\n",
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+        "      <td>NaN</td>\n",
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+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>gastric cecum</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>health</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>host populations</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>infections</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>infectious diseases</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>intracellular life cycle</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>negative impact</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>phylogenetic analysis</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>plant</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>result</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>significant source</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>spread</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>threat</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>tobacco ringspot</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>transkingdom host alteration</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>tree topology</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>trsv</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>trsvs</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>varroa</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>varroa mites</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>virions</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>virus</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "    <tr>\n",
+        "      <th>winter</th>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>...</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "      <td>NaN</td>\n",
+        "    </tr>\n",
+        "  </tbody>\n",
+        "</table>\n",
+        "<p>26 rows \u00d7 1978 columns</p>\n",
+        "</div>"
+       ],
+       "metadata": {},
+       "output_type": "pyout",
+       "prompt_number": 144,
+       "text": [
+        "                               \"  \" neonicotinoid  \" possible  \" probable  \\\n",
+        "animal kingdoms              NaN              NaN         NaN         NaN   \n",
+        "bee hemolymph                NaN              NaN         NaN         NaN   \n",
+        "colonies                     NaN              NaN         NaN         NaN   \n",
+        "gastric cecum                NaN              NaN         NaN         NaN   \n",
+        "health                       NaN              NaN         NaN         NaN   \n",
+        "host populations             NaN              NaN         NaN         NaN   \n",
+        "infections                   NaN              NaN         NaN         NaN   \n",
+        "infectious diseases          NaN              NaN         NaN         NaN   \n",
+        "intracellular life cycle     NaN              NaN         NaN         NaN   \n",
+        "negative impact              NaN              NaN         NaN         NaN   \n",
+        "phylogenetic analysis        NaN              NaN         NaN         NaN   \n",
+        "plant                        NaN              NaN         NaN         NaN   \n",
+        "result                       NaN              NaN         NaN         NaN   \n",
+        "significant source           NaN              NaN         NaN         NaN   \n",
+        "spread                       NaN              NaN         NaN         NaN   \n",
+        "threat                       NaN              NaN         NaN         NaN   \n",
+        "tobacco ringspot             NaN              NaN         NaN         NaN   \n",
+        "transkingdom host alteration NaN              NaN         NaN         NaN   \n",
+        "tree topology                NaN              NaN         NaN         NaN   \n",
+        "trsv                         NaN              NaN         NaN         NaN   \n",
+        "trsvs                        NaN              NaN         NaN         NaN   \n",
+        "varroa                       NaN              NaN         NaN         NaN   \n",
+        "varroa mites                 NaN              NaN         NaN         NaN   \n",
+        "virions                      NaN              NaN         NaN         NaN   \n",
+        "virus                        NaN              NaN         NaN         NaN   \n",
+        "winter                       NaN              NaN         NaN         NaN   \n",
         "\n",
-        "                     colony collapse disorder ( ccd )  \\\n",
-        "animal kingdoms                                   NaN   \n",
-        "infectious diseases                               NaN   \n",
-        "plant                                             NaN   \n",
+        "                              ( reports   )  1-year period  10-month period  \\\n",
+        "animal kingdoms                     NaN NaN            NaN              NaN   \n",
+        "bee hemolymph                       NaN NaN            NaN              NaN   \n",
+        "colonies                            NaN NaN            NaN              NaN   \n",
+        "gastric cecum                       NaN NaN            NaN              NaN   \n",
+        "health                              NaN NaN            NaN              NaN   \n",
+        "host populations                    NaN NaN            NaN              NaN   \n",
+        "infections                          NaN NaN            NaN              NaN   \n",
+        "infectious diseases                 NaN NaN            NaN              NaN   \n",
+        "intracellular life cycle            NaN NaN            NaN              NaN   \n",
+        "negative impact                     NaN NaN            NaN              NaN   \n",
+        "phylogenetic analysis               NaN NaN            NaN              NaN   \n",
+        "plant                               NaN NaN            NaN              NaN   \n",
+        "result                              NaN NaN            NaN              NaN   \n",
+        "significant source                  NaN NaN            NaN              NaN   \n",
+        "spread                              NaN NaN            NaN              NaN   \n",
+        "threat                              NaN NaN            NaN              NaN   \n",
+        "tobacco ringspot                    NaN NaN            NaN              NaN   \n",
+        "transkingdom host alteration        NaN NaN            NaN              NaN   \n",
+        "tree topology                       NaN NaN            NaN              NaN   \n",
+        "trsv                                NaN NaN            NaN              NaN   \n",
+        "trsvs                               NaN NaN            NaN              NaN   \n",
+        "varroa                              NaN NaN            NaN              NaN   \n",
+        "varroa mites                        NaN NaN            NaN              NaN   \n",
+        "virions                             NaN NaN            NaN              NaN   \n",
+        "virus                               NaN NaN            NaN              NaN   \n",
+        "winter                              NaN NaN            NaN              NaN   \n",
         "\n",
-        "                                   ...                 prevalence  \\\n",
-        "animal kingdoms                    ...                        NaN   \n",
-        "infectious diseases                ...                        NaN   \n",
-        "plant                              ...                        NaN   \n",
+        "                               <  abdomen   ...     worldwide pollinator  \\\n",
+        "animal kingdoms              NaN      NaN   ...                      NaN   \n",
+        "bee hemolymph                NaN      NaN   ...                      NaN   \n",
+        "colonies                     NaN      NaN   ...                      NaN   \n",
+        "gastric cecum                NaN      NaN   ...                      NaN   \n",
+        "health                       NaN      NaN   ...                      NaN   \n",
+        "host populations             NaN      NaN   ...                      NaN   \n",
+        "infections                   NaN      NaN   ...                      NaN   \n",
+        "infectious diseases          NaN      NaN   ...                      NaN   \n",
+        "intracellular life cycle     NaN      NaN   ...                      NaN   \n",
+        "negative impact              NaN      NaN   ...                      NaN   \n",
+        "phylogenetic analysis        NaN      NaN   ...                      NaN   \n",
+        "plant                        NaN      NaN   ...                      NaN   \n",
+        "result                       NaN      NaN   ...                      NaN   \n",
+        "significant source           NaN      NaN   ...                      NaN   \n",
+        "spread                       NaN      NaN   ...                      NaN   \n",
+        "threat                       NaN      NaN   ...                      NaN   \n",
+        "tobacco ringspot             NaN      NaN   ...                      NaN   \n",
+        "transkingdom host alteration NaN      NaN   ...                      NaN   \n",
+        "tree topology                NaN      NaN   ...                      NaN   \n",
+        "trsv                         NaN      NaN   ...                      NaN   \n",
+        "trsvs                        NaN      NaN   ...                      NaN   \n",
+        "varroa                       NaN      NaN   ...                      NaN   \n",
+        "varroa mites                 NaN      NaN   ...                      NaN   \n",
+        "virions                      NaN      NaN   ...                      NaN   \n",
+        "virus                        NaN      NaN   ...                      NaN   \n",
+        "winter                       NaN      NaN   ...                      NaN   \n",
         "\n",
-        "                     rna viruses  samples  study  transmission  united states  \\\n",
-        "animal kingdoms              NaN      NaN    NaN           NaN            NaN   \n",
-        "infectious diseases          NaN      NaN    NaN           NaN            NaN   \n",
-        "plant                        NaN      NaN    NaN           NaN            NaN   \n",
+        "                              worst losses  xylem  year  year period  years  \\\n",
+        "animal kingdoms                        NaN    NaN   NaN          NaN    NaN   \n",
+        "bee hemolymph                          NaN    NaN   NaN          NaN    NaN   \n",
+        "colonies                               NaN    NaN   NaN          NaN    NaN   \n",
+        "gastric cecum                          NaN    NaN   NaN          NaN    NaN   \n",
+        "health                                 NaN    NaN   NaN          NaN    NaN   \n",
+        "host populations                       NaN    NaN   NaN          NaN    NaN   \n",
+        "infections                             NaN    NaN   NaN          NaN    NaN   \n",
+        "infectious diseases                    NaN    NaN   NaN          NaN    NaN   \n",
+        "intracellular life cycle               NaN    NaN   NaN          NaN    NaN   \n",
+        "negative impact                        NaN    NaN   NaN          NaN    NaN   \n",
+        "phylogenetic analysis                  NaN    NaN   NaN          NaN    NaN   \n",
+        "plant                                  NaN    NaN   NaN          NaN    NaN   \n",
+        "result                                 NaN    NaN   NaN          NaN    NaN   \n",
+        "significant source                     NaN    NaN   NaN          NaN    NaN   \n",
+        "spread                                 NaN    NaN   NaN          NaN    NaN   \n",
+        "threat                                 NaN    NaN   NaN          NaN    NaN   \n",
+        "tobacco ringspot                       NaN    NaN   NaN          NaN    NaN   \n",
+        "transkingdom host alteration           NaN    NaN   NaN          NaN    NaN   \n",
+        "tree topology                          NaN    NaN   NaN          NaN    NaN   \n",
+        "trsv                                   NaN    NaN   NaN          NaN    NaN   \n",
+        "trsvs                                  NaN    NaN   NaN          NaN    NaN   \n",
+        "varroa                                 NaN    NaN   NaN          NaN    NaN   \n",
+        "varroa mites                           NaN    NaN   NaN          NaN    NaN   \n",
+        "virions                                NaN    NaN   NaN          NaN    NaN   \n",
+        "virus                                  NaN    NaN   NaN          NaN    NaN   \n",
+        "winter                                 NaN    NaN   NaN          NaN    NaN   \n",
         "\n",
-        "                     varroa  virus  viruses  winter  \n",
-        "animal kingdoms         NaN    NaN      NaN     NaN  \n",
-        "infectious diseases     NaN    NaN      NaN     NaN  \n",
-        "plant                   NaN    NaN      NaN     NaN  \n",
+        "                              yet controversy  younger ages  \u03b4ct levels  \u03bcg kg  \n",
+        "animal kingdoms                           NaN           NaN         NaN    NaN  \n",
+        "bee hemolymph                             NaN           NaN         NaN    NaN  \n",
+        "colonies                                  NaN           NaN         NaN    NaN  \n",
+        "gastric cecum                             NaN           NaN         NaN    NaN  \n",
+        "health                                    NaN           NaN         NaN    NaN  \n",
+        "host populations                          NaN           NaN         NaN    NaN  \n",
+        "infections                                NaN           NaN         NaN    NaN  \n",
+        "infectious diseases                       NaN           NaN         NaN    NaN  \n",
+        "intracellular life cycle                  NaN           NaN         NaN    NaN  \n",
+        "negative impact                           NaN           NaN         NaN    NaN  \n",
+        "phylogenetic analysis                     NaN           NaN         NaN    NaN  \n",
+        "plant                                     NaN           NaN         NaN    NaN  \n",
+        "result                                    NaN           NaN         NaN    NaN  \n",
+        "significant source                        NaN           NaN         NaN    NaN  \n",
+        "spread                                    NaN           NaN         NaN    NaN  \n",
+        "threat                                    NaN           NaN         NaN    NaN  \n",
+        "tobacco ringspot                          NaN           NaN         NaN    NaN  \n",
+        "transkingdom host alteration              NaN           NaN         NaN    NaN  \n",
+        "tree topology                             NaN           NaN         NaN    NaN  \n",
+        "trsv                                      NaN           NaN         NaN    NaN  \n",
+        "trsvs                                     NaN           NaN         NaN    NaN  \n",
+        "varroa                                    NaN           NaN         NaN    NaN  \n",
+        "varroa mites                              NaN           NaN         NaN    NaN  \n",
+        "virions                                   NaN           NaN         NaN    NaN  \n",
+        "virus                                     NaN           NaN         NaN    NaN  \n",
+        "winter                                    NaN           NaN         NaN    NaN  \n",
         "\n",
-        "[3 rows x 44 columns]"
+        "[26 rows x 1978 columns]"
        ]
       }
      ],
-     "prompt_number": 124
+     "prompt_number": 144
     },
     {
      "cell_type": "code",
-- 
2.21.0