I have a pandas data frame, sample , with one of the columns called PR to which am applying a lambda function as follows: ... <看更多>

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I used 'Apply' function to every row in the pandas data frame and created a custom function to return the value for the 'Candidate Won' ... ... <看更多>

A package which efficiently applies any function to a pandas dataframe or ... use swifter apply on whole dataframe df['agg'] = df.swifter.apply(lambda x: ... ... <看更多>

This is part 2 in my series on writing modern idiomatic pandas. ... 'dest_city_name'] city = df[cols].apply(lambda x: x.str.extract("(. ... <看更多>