CategoricalIndex.difference()

Return a new Index with elements from the index that are not in other.

This is the set difference of two Index objects. It?s sorted if sorting is possible.

Examples

>>> idx1 = pd.Index([1, 2, 3, 4])
>>> idx2 = pd.Index([3, 4, 5, 6])
>>> idx1.difference(idx2)
Int64Index([1, 2], dtype='int64')