pandas.DatetimeIndex.to_perioddelta

DatetimeIndex.to_perioddelta(*args, **kwargs) [source]

Calculate TimedeltaArray of difference between index values and index converted to PeriodArray at specified freq. Used for vectorized offsets

Parameters:
freq : Period frequency
Returns:
TimedeltaArray/Index

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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.24.2/reference/api/pandas.DatetimeIndex.to_perioddelta.html