CategoricalIndex.is_object()

CategoricalIndex.append(other)

CategoricalIndex.hasnans = None

CategoricalIndex.item()

CategoricalIndex.summary(name=None)

CategoricalIndex.union(other)

CategoricalIndex.ravel(order='C')

CategoricalIndex.isin(values, level=None)

CategoricalIndex.as_unordered(*args, **kwargs)

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