pandas.core.categorical.Categorical.reorder_categories

Categorical.reorder_categories(new_categories, ordered=None, inplace=False)

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

See also

rename_categories, add_categories, remove_categories, remove_unused_categories, set_categories