pandas.DatetimeIndex.freqstr#

propertyDatetimeIndex.freqstr[source]#

Return the frequency object as a string if it’s set, otherwise None.

Examples

For DatetimeIndex:

>>>idx=pd.DatetimeIndex(["1/1/2020 10:00:00+00:00"],freq="D")>>>idx.freqstr'D'

The frequency can be inferred if there are more than 2 points:

>>>idx=pd.DatetimeIndex(["2018-01-01","2018-01-03","2018-01-05"],...freq="infer")>>>idx.freqstr'2D'

For PeriodIndex:

>>>idx=pd.PeriodIndex(["2023-1","2023-2","2023-3"],freq="M")>>>idx.freqstr'M'