CategoricalIndex.categories

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

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

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

CategoricalIndex.sort(*args, **kwargs)

Panel4D.reindex(items=None, major_axis=None, minor_axis=None, **kwargs)

Index.set_names(names, level=None, inplace=False)

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

MultiIndex.unique()

DataFrameGroupBy.ffill(limit=None)