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     See also rename_categories, add_categories, remove_categories, remove_unused_categories, set_categories  


    
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