pandas.CategoricalIndex¶
-
class
pandas.
CategoricalIndex
[source]¶ Immutable Index implementing an ordered, sliceable set. CategoricalIndex represents a sparsely populated Index with an underlying Categorical.
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
See also
Attributes
codes categories ordered Methods
rename_categories
(*args, **kwargs)Renames categories. reorder_categories
(*args, **kwargs)Reorders categories as specified in new_categories. add_categories
(*args, **kwargs)Add new categories. remove_categories
(*args, **kwargs)Removes the specified categories. remove_unused_categories
(*args, **kwargs)Removes categories which are not used. set_categories
(*args, **kwargs)Sets the categories to the specified new_categories. as_ordered
(*args, **kwargs)Sets the Categorical to be ordered as_unordered
(*args, **kwargs)Sets the Categorical to be unordered map
(mapper)Map values using input correspondence (a dict, Series, or function).