MultiIndex.size return the number of elements in the underlying data

MultiIndex.summary(name=None)

Index.map(mapper)

Series.cat()

DataFrame.shift(periods=1, freq=None, axis=0)

Series.consolidate(inplace=False)

Series.dt.days Number of days for each element.

Panel4D.loc Purely label-location based indexer for selection by label. .loc[] is primarily label based

MultiIndex.flags

Styler.format(formatter, subset=None)