pandas.CategoricalIndex.remove_categories

CategoricalIndex.remove_categories(self, *args, **kwargs)[source]

Remove the specified categories.

removals must be included in the old categories. Values which were in the removed categories will be set to NaN

Parameters:
removals : category or list of categories

The categories which should be removed.

inplace : bool, default False

Whether or not to remove the categories inplace or return a copy of this categorical with removed categories.

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

If the removals are not contained in the categories

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