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pythonstringdatetimepandasrange

How to include end date in pandas date_range method?

From pd.date_range('2016-01', '2016-05', freq='M', ).strftime('%Y-%m'), the last month is 2016-04, but I was expecting it to be 2016-05. It seems to me this function is behaving like the range method, where the end parameter is not included in the returning array.

Is there a way to get the end month included in the returning array, without processing the string for the end month?

Solution

  • A way to do it without messing with figuring out month ends yourself.

    pd.date_range(*(pd.to_datetime(['2016-01', '2016-05']) + pd.offsets.MonthEnd()), freq='M')

DatetimeIndex(['2016-01-31', '2016-02-29', '2016-03-31', '2016-04-30',
           '2016-05-31'],
          dtype='datetime64[ns]', freq='M')