Created
December 18, 2018 09:50
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| # add sentiment anaylsis columns | |
| from nltk.sentiment.vader import SentimentIntensityAnalyzer | |
| sid = SentimentIntensityAnalyzer() | |
| reviews_df["sentiments"] = reviews_df["review"].apply(lambda x: sid.polarity_scores(x)) | |
| reviews_df = pd.concat([reviews_df.drop(['sentiments'], axis=1), reviews_df['sentiments'].apply(pd.Series)], axis=1) |
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