pandas.CategoricalIndex.reorder_categories#
- CategoricalIndex.reorder_categories(*args, **kwargs)[source]#
- Reorder categories as specified in new_categories. - new_categories need to include all old categories and no new category items. - Parameters
- new_categoriesIndex-like
- The categories in new order. 
- orderedbool, optional
- Whether or not the categorical is treated as a ordered categorical. If not given, do not change the ordered information. 
- inplacebool, default False
- Whether or not to reorder the categories inplace or return a copy of this categorical with reordered categories. - Deprecated since version 1.3.0. 
 
- Returns
- catCategorical or None
- Categorical with removed categories or None if - inplace=True.
 
- Raises
- ValueError
- If the new categories do not contain all old category items or any new ones 
 
 - See also - rename_categories
- Rename categories. 
- add_categories
- Add new categories. 
- remove_categories
- Remove the specified categories. 
- remove_unused_categories
- Remove categories which are not used. 
- set_categories
- Set the categories to the specified ones.