Index.
argmax
Return a maximum argument indexer.
Examples
>>> kidx = ks.Index([10, 9, 8, 7, 100, 5, 4, 3, 100, 3]) >>> kidx Int64Index([10, 9, 8, 7, 100, 5, 4, 3, 100, 3], dtype='int64')
>>> kidx.argmax() 4