NLP, Topic Modeling, Data Science, Nlp Tutorial, Machine Learning.
nmf.transform(vec.transform(df['Review_Only_Nouns'])) # Store most representative topic df["Topic_idx"] = document_weights.argmax(axis=1) # Joining the original dataset with labels df = pd.merge(df, topic_df, left_on='Topic_idx', right_index=True, how='left') To confirm whether the topics are