CategoricalIndex.argsort(*args, **kwargs)

CategoricalIndex.sym_diff(*args, **kwargs)

CategoricalIndex.take(indices, axis=0, allow_fill=True, fill_value=None, **kwargs)

CategoricalIndex.min(*args, **kwargs)

CategoricalIndex.unique()

CategoricalIndex.is_boolean()

CategoricalIndex.is_monotonic alias for is_monotonic_increasing (deprecated)

CategoricalIndex.to_datetime(dayfirst=False)

CategoricalIndex.dropna(how='any')

CategoricalIndex.groupby(values)