CategoricalIndex.identical(other)

CategoricalIndex.ordered

CategoricalIndex.factorize(sort=False, na_sentinel=-1)

CategoricalIndex.base return the base object if the memory of the underlying data is shared

CategoricalIndex.str()

CategoricalIndex.hasnans = None

CategoricalIndex.tolist()

CategoricalIndex.codes

CategoricalIndex.all(other=None)

CategoricalIndex.shape return a tuple of the shape of the underlying data