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#python #pandas #grouper
df['column_name'] = pd.to_datetime(df['column_name']) # new version df.groupby(pd.Grouper(key='column_name', freq="M")).mean().plot()
Fri Oct 16 2020 22:26:07 GMT+0000 (Coordinated Universal Time) https://stackoverflow.com/questions/47015886/pandas-grouper-vs-time-grouper
