pandas.CategoricalIndex

class pandas.CategoricalIndex[source]

Immutable Index implementing an ordered, sliceable set. CategoricalIndex represents a sparsely populated Index with an underlying Categorical.

New in version 0.16.1.

Parameters:	data : array-like or Categorical, (1-dimensional) categories : optional, array-like categories for the CategoricalIndex ordered : boolean, designating if the categories are ordered copy : bool Make a copy of input ndarray name : object Name to be stored in the index