mirror of
https://github.com/gsi-upm/sitc
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Cambiado nombre diccionario
This commit is contained in:
Carlos A. Iglesias
parent
e42299ac7a
commit
2c8238f1f2
@ -76,9 +76,20 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 1,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"data": {
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"text/plain": [
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"(2034, 2807)"
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]
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},
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"execution_count": 1,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"from sklearn.datasets import fetch_20newsgroups\n",
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"\n",
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@ -120,7 +131,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 2,
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"metadata": {},
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"outputs": [],
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"source": [
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@ -148,7 +159,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 3,
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"metadata": {},
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"outputs": [],
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"source": [
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@ -162,9 +173,27 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 4,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[(0,\n",
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" '0.007*\"car\" + 0.006*\"increased\" + 0.006*\"closely\" + 0.006*\"groups\" + 0.006*\"center\" + 0.006*\"88\" + 0.006*\"offer\" + 0.005*\"archie\" + 0.005*\"beginning\" + 0.005*\"comets\"'),\n",
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" (1,\n",
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" '0.005*\"allow\" + 0.005*\"discuss\" + 0.005*\"condition\" + 0.004*\"certain\" + 0.004*\"member\" + 0.004*\"manipulation\" + 0.004*\"little\" + 0.003*\"proposal\" + 0.003*\"heavily\" + 0.003*\"obvious\"'),\n",
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" (2,\n",
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" '0.002*\"led\" + 0.002*\"mechanism\" + 0.002*\"frank\" + 0.002*\"platform\" + 0.002*\"mormons\" + 0.002*\"concepts\" + 0.002*\"proton\" + 0.002*\"aeronautics\" + 0.002*\"header\" + 0.002*\"foreign\"'),\n",
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" (3,\n",
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" '0.004*\"objects\" + 0.003*\"activity\" + 0.003*\"manhattan\" + 0.003*\"obtained\" + 0.003*\"eyes\" + 0.003*\"education\" + 0.003*\"netters\" + 0.003*\"complex\" + 0.003*\"europe\" + 0.002*\"missions\"')]"
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]
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},
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"execution_count": 4,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# check the topics\n",
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"lda.print_topics(4)"
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@ -179,7 +208,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 5,
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"metadata": {},
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"outputs": [],
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"source": [
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@ -211,9 +240,17 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 6,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Dictionary(10913 unique tokens: ['cel', 'ds', 'hi', 'nothing', 'prj']...)\n"
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]
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}
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],
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"source": [
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"# You can save the dictionary\n",
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"dictionary.save('newsgroup.dict')\n",
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@ -223,7 +260,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 7,
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"metadata": {},
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"outputs": [],
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"source": [
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@ -234,7 +271,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 8,
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"metadata": {},
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"outputs": [],
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"source": [
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@ -246,21 +283,38 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 15,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stderr",
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"output_type": "stream",
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"text": [
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"WARNING:root:random_state not set so using default value\n",
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"WARNING:root:failed to load state from newsgroups.dict.state: [Errno 2] No such file or directory: 'newsgroups.dict.state'\n"
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]
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}
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],
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"source": [
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"# You can optionally save the dictionary \n",
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"\n",
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"dictionary.save('newsgroups.dict')\n",
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"lda = LdaModel.load('newsgroups.lda')"
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"lda = LdaModel.load('newsgroups.dict')"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 16,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Dictionary(10913 unique tokens: ['cel', 'ds', 'hi', 'nothing', 'prj']...)\n"
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]
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}
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],
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"source": [
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"# We can print the dictionary, it is a mappying of id and tokens\n",
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"\n",
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@ -269,7 +323,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 17,
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"metadata": {},
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"outputs": [],
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"source": [
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@ -279,7 +333,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 18,
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"metadata": {},
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"outputs": [],
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"source": [
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@ -292,9 +346,17 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 19,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[(0, 0.24093628445650234), (1, 0.5700978153855775), (2, 0.10438175896914427), (3, 0.1598114653031772), (4, 0.722808853369507), (5, 0.24093628445650234)]\n"
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]
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}
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],
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"source": [
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"#print tf-idf of first document\n",
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"print(corpus_tfidf[0])"
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@ -302,7 +364,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 20,
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"metadata": {},
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"outputs": [],
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"source": [
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@ -315,9 +377,27 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 21,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[(0,\n",
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" '0.011*\"thanks\" + 0.010*\"targa\" + 0.008*\"mary\" + 0.008*\"western\" + 0.007*\"craig\" + 0.007*\"jeff\" + 0.006*\"yayayay\" + 0.006*\"phobos\" + 0.005*\"unfortunately\" + 0.005*\"martian\"'),\n",
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" (1,\n",
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" '0.007*\"islam\" + 0.006*\"koresh\" + 0.006*\"moon\" + 0.006*\"bible\" + 0.006*\"plane\" + 0.006*\"ns\" + 0.005*\"zoroastrians\" + 0.005*\"joy\" + 0.005*\"lucky\" + 0.005*\"ssrt\"'),\n",
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" (2,\n",
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" '0.009*\"whatever\" + 0.009*\"baptist\" + 0.007*\"cheers\" + 0.007*\"kent\" + 0.006*\"khomeini\" + 0.006*\"davidian\" + 0.005*\"gerald\" + 0.005*\"bull\" + 0.005*\"sorry\" + 0.005*\"jesus\"'),\n",
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" (3,\n",
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" '0.005*\"pd\" + 0.004*\"baltimore\" + 0.004*\"also\" + 0.003*\"ipx\" + 0.003*\"dam\" + 0.003*\"feiner\" + 0.003*\"foley\" + 0.003*\"ideally\" + 0.003*\"srgp\" + 0.003*\"thank\"')]"
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]
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},
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"execution_count": 21,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# check the topics\n",
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"lda_model.print_topics(4)"
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@ -325,9 +405,17 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 22,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[(0, 0.09401487), (1, 0.08991001), (2, 0.08514047), (3, 0.7309346)]\n"
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]
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}
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],
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"source": [
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"# check the lsa vector for the first document\n",
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"corpus_lda = lda_model[corpus_tfidf]\n",
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@ -336,9 +424,17 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 24,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[('lord', 1), ('god', 2)]\n"
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]
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}
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],
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"source": [
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"#predict topics of a new doc\n",
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"new_doc = \"God is love and God is the Lord\"\n",
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@ -349,9 +445,17 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 25,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[(0, 0.06678458), (1, 0.8006135), (2, 0.06974816), (3, 0.062853776)]\n"
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]
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}
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],
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"source": [
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"#transform into LDA space\n",
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"lda_vector = lda_model[bow_vector]\n",
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@ -360,9 +464,17 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 26,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"0.007*\"islam\" + 0.006*\"koresh\" + 0.006*\"moon\" + 0.006*\"bible\" + 0.006*\"plane\" + 0.006*\"ns\" + 0.005*\"zoroastrians\" + 0.005*\"joy\" + 0.005*\"lucky\" + 0.005*\"ssrt\"\n"
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]
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}
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],
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"source": [
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"# print the document's single most prominent LDA topic\n",
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"print(lda_model.print_topic(max(lda_vector, key=lambda item: item[1])[0]))"
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@ -370,9 +482,18 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 27,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[(0, 0.110989906), (1, 0.670005), (2, 0.11422917), (3, 0.10477593)]\n",
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"0.007*\"islam\" + 0.006*\"koresh\" + 0.006*\"moon\" + 0.006*\"bible\" + 0.006*\"plane\" + 0.006*\"ns\" + 0.005*\"zoroastrians\" + 0.005*\"joy\" + 0.005*\"lucky\" + 0.005*\"ssrt\"\n"
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]
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}
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],
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"source": [
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"lda_vector_tfidf = lda_model[tfidf_model[bow_vector]]\n",
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"print(lda_vector_tfidf)\n",
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@ -389,7 +510,7 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 28,
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"metadata": {},
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"outputs": [],
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"source": [
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@ -405,9 +526,27 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 29,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[(0,\n",
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" '0.769*\"god\" + 0.345*\"jesus\" + 0.235*\"bible\" + 0.203*\"christian\" + 0.149*\"christians\" + 0.108*\"christ\" + 0.089*\"well\" + 0.085*\"koresh\" + 0.081*\"kent\" + 0.080*\"christianity\"'),\n",
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" (1,\n",
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" '-0.863*\"thanks\" + -0.255*\"please\" + -0.160*\"hello\" + -0.153*\"hi\" + 0.123*\"god\" + -0.112*\"sorry\" + -0.088*\"could\" + -0.075*\"windows\" + -0.068*\"jpeg\" + -0.062*\"gif\"'),\n",
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" (2,\n",
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" '-0.779*\"well\" + 0.229*\"god\" + -0.164*\"yes\" + 0.153*\"thanks\" + -0.135*\"ico\" + -0.135*\"tek\" + -0.132*\"beauchaine\" + -0.132*\"queens\" + -0.132*\"bronx\" + -0.131*\"manhattan\"'),\n",
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" (3,\n",
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" '0.343*\"well\" + -0.335*\"ico\" + -0.334*\"tek\" + -0.328*\"bronx\" + -0.328*\"beauchaine\" + -0.328*\"queens\" + -0.325*\"manhattan\" + -0.305*\"com\" + -0.303*\"bob\" + -0.073*\"god\"')]"
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]
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},
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"execution_count": 29,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# check the topics\n",
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"lsi_model.print_topics(4)"
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@ -415,9 +554,17 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 30,
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[(0, 0.24093628445650234), (1, 0.5700978153855775), (2, 0.10438175896914427), (3, 0.1598114653031772), (4, 0.722808853369507), (5, 0.24093628445650234)]\n"
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]
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}
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],
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"source": [
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"# check the lsi vector for the first document\n",
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"print(corpus_tfidf[0])"
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