pandas.DatetimeIndex.inferred_freq — pandas 2.2.3 documentation (original) (raw)

DatetimeIndex.inferred_freq[source]#

Tries to return a string representing a frequency generated by infer_freq.

Returns None if it can’t autodetect the frequency.

Examples

For DatetimeIndex:

idx = pd.DatetimeIndex(["2018-01-01", "2018-01-03", "2018-01-05"]) idx.inferred_freq '2D'

For TimedeltaIndex:

tdelta_idx = pd.to_timedelta(["0 days", "10 days", "20 days"]) tdelta_idx TimedeltaIndex(['0 days', '10 days', '20 days'], dtype='timedelta64[ns]', freq=None) tdelta_idx.inferred_freq '10D'