Code fragment metadata

hasIdentifier:	https://padme-analytics.de/pht/codeFragment/dde2b04e9321b330be2d658cad5b5ab35ca90f6cc752fddac161b56edf8c7e5a
hasContent:	self.df_drugs['sentiment'] = self.performSentimentPolarity(self.df_drugs['clean_review'])

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