Revise 21.3

DS-100 · Apr 12, 2023 · 70f95ba · 70f95ba
1 parent eced4ce
commit 70f95ba
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/content/ch/21/fake_news_exploring.ipynb b/content/ch/21/fake_news_exploring.ipynb
@@ -6439,6 +6439,8 @@
     "    'investig', 'antifa', 'joke', 'princ', 'homeless', 'cnn', 'the',\n",
     "]\n",
     "\n",
+    "# This function creates one new binary feature for each word in word_features,\n",
+    "# marking the presence of a word in an article.\n",
     "def make_word_features(df, words=word_features):\n",
     "    features = { word: df['content'].str.contains(word) for word in words }\n",
     "    return pd.DataFrame(features)"