Series.dt.nanosecond The nanoseconds of the datetime

DatetimeIndex.reshape(*args, **kwargs)

GroupBy.indices dict {group name -> group indices}

DatetimeIndex.freq get/set the frequncy of the Index

Panel4D.mask(cond, other=nan, inplace=False, axis=None, level=None, try_cast=False, raise_on_error=True)

Panel4D.pipe(func, *args, **kwargs)

Panel4D.any(axis=None, bool_only=None, skipna=None, level=None, **kwargs)

Panel4D.clip_lower(threshold, axis=None)

Series.cat.as_ordered(*args, **kwargs)

DatetimeIndex.name = None