Index.shift(periods=1, freq=None)

DatetimeIndex.values return the underlying data as an ndarray

Panel.clip_lower(threshold, axis=None)

TimedeltaIndex.names

MultiIndex.asof_locs(where, mask)

Series.mean(axis=None, skipna=None, level=None, numeric_only=None, **kwargs)

Series.dt.daysinmonth The number of days in the month New

Series.dt.month The month as January=1, December=12

Series.var(axis=None, skipna=None, level=None, ddof=1, numeric_only=None, **kwargs)

CategoricalIndex.set_categories(*args, **kwargs)