pandas.CategoricalIndex.rename_categories

CategoricalIndex.rename_categories(*args, **kwargs) [source]

Renames categories.

The new categories has to be a list-like object. All items must be unique and the number of items in the new categories must be the same as the number of items in the old categories.

Parameters:	new_categories : Index-like The renamed categories. inplace : boolean (default: False) Whether or not to rename the categories inplace or return a copy of this categorical with renamed categories.
Returns:	cat : Categorical with renamed categories added or None if inplace.
Raises:	ValueError If the new categories do not have the same number of items than the current categories or do not validate as categories

See also

reorder_categories, add_categories, remove_categories, remove_unused_categories, set_categories