pandas.Index.union — pandas 0.24.0rc1 documentation (original) (raw)

Index. union(other)[source]¶

Form the union of two Index objects and sorts if possible.

Parameters:	other : Index or array-like
Returns:	union : Index

Examples

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