DatetimeIndex.searchsorted(key, side='left', sorter=None)

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

DatetimeIndex.is_monotonic alias for is_monotonic_increasing (deprecated)

DatetimeIndex.nbytes return the number of bytes in the underlying data

Series.to_hdf(path_or_buf, key, **kwargs)

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

DatetimeIndex.dropna(how='any')

MultiIndex.tolist()

CategoricalIndex.identical(other)

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