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pandas.CategoricalIndex.reorder_categories

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

Reorders categories as specified in new_categories.

new_categories need to include all old categories and no new category items.

Parameters:

new_categories : Index-like

The categories in new order.

ordered : boolean, optional

Whether or not the categorical is treated as a ordered categorical. If not given, do not change the ordered information.

inplace : boolean (default: False)

Whether or not to reorder the categories inplace or return a copy of this categorical with reordered categories.

Returns:
cat : Categorical with reordered categories or None if inplace.
Raises:

ValueError

If the new categories do not contain all old category items or any new ones

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Licensed under the 3-clause BSD License.
http://pandas.pydata.org/pandas-docs/version/0.23.4/generated/pandas.CategoricalIndex.reorder_categories.html