pandas.Index.difference¶
-
Index.
difference
(self, other, sort=None)[source]¶ Return a new Index with elements from the index that are not in other.
This is the set difference of two Index objects.
Parameters: - other : Index or array-like
- sort : False or None, default None
Whether to sort the resulting index. By default, the values are attempted to be sorted, but any TypeError from incomparable elements is caught by pandas.
- None : Attempt to sort the result, but catch any TypeErrors from comparing incomparable elements.
- False : Do not sort the result.
New in version 0.24.0.
Changed in version 0.24.1: Changed the default value from
True
toNone
(without change in behaviour).
Returns: - difference : Index
Examples
>>> idx1 = pd.Index([2, 1, 3, 4]) >>> idx2 = pd.Index([3, 4, 5, 6]) >>> idx1.difference(idx2) Int64Index([1, 2], dtype='int64') >>> idx1.difference(idx2, sort=False) Int64Index([2, 1], dtype='int64')