CategoricalIndex.join(other, how='left', level=None, return_indexers=False)

CategoricalIndex.name = None

MultiIndex.difference(other)

CategoricalIndex.categories

DataFrameGroupBy.all(axis=None, bool_only=None, skipna=None, level=None, **kwargs) Return whether all

DatetimeIndex.is_month_end Logical indicating if last day of month (defined by frequency)

CategoricalIndex.sort(*args, **kwargs)

Series.str.center(width, fillchar=' ')

MultiIndex.unique()

DataFrameGroupBy.cummin(axis=None, skipna=True, *args, **kwargs) Return cumulative minimum over requested