- Series.cat.rename_categories(*args, **kwargs)¶
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.
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.
cat : Categorical with renamed categories added or None if inplace.
If the new categories do not have the same number of items than the current categories or do not validate as categories