pandas.CategoricalIndex.isin

CategoricalIndex.isin(values, level=None)

Compute boolean array of whether each index value is found in the passed set of values.

Parameters:

values : set or sequence of values

Sought values.

level : str or int, optional

Name or position of the index level to use (if the index is a MultiIndex).

Returns:

is_contained : ndarray (boolean dtype)

Notes

If level is specified:

• if it is the name of one and only one index level, use that level;
• otherwise it should be a number indicating level position.