Code files added

Author: madhunikitac

Lesson5/Activity10.ipynb

@@ -0,0 +1,84 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Jeopardy Topics"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "C:\\Users\\dwight\\Anaconda3\\envs\\packt\\lib\\site-packages\\gensim\\utils.py:1212: UserWarning: detected Windows; aliasing chunkize to chunkize_serial\n",
+      "  warnings.warn(\"detected Windows; aliasing chunkize to chunkize_serial\")\n"
+     ]
+    }
+   ],
+   "source": [
+    "import pandas as pd\n",
+    "pd.set_option('display.max_colwidth', 800)\n",
+    "\n",
+    "\n",
+    "JEOPARDY_CSV =  'data/jeopardy/Jeopardy.csv'\n",
+    "\n",
+    "questions = pd.read_csv(JEOPARDY_CSV)\n",
+    "\n",
+    "questions = questions.dropna(subset=['Question'])\n",
+    "\n",
+    "\n",
+    "\n",
+    "from gensim.parsing.preprocessing import preprocess_string\n",
+    "ques_documents = questions.Question.apply(preprocess_string).tolist()\n",
+    "\n",
+    "from gensim import corpora\n",
+    "from gensim.models.ldamodel import LdaModel\n",
+    "\n",
+    "dictionary = corpora.Dictionary(ques_documents)\n",
+    "corpus = [dictionary.doc2bow(text) for text in ques_documents]\n",
+    "\n",
+    "\n",
+    "\n",
+    "NUM_TOPICS = 8\n",
+    "ldamodel = LdaModel(corpus, num_topics = NUM_TOPICS, id2word=dictionary, passes=15)\n",
+    "\n",
+    "\n",
+    "ldamodel.print_topics(num_words=6)\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python [conda env:packt]",
+   "language": "python",
+   "name": "conda-env-packt-py"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.2"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}