pandas.MultiIndex.set_levels — pandas 0.24.2 documentation (original) (raw)

Set new levels on MultiIndex. Defaults to returning new index.

idx = pd.MultiIndex.from_tuples([(1, u'one'), (1, u'two'), (2, u'one'), (2, u'two')], names=['foo', 'bar']) idx.set_levels([['a','b'], [1,2]]) MultiIndex(levels=[[u'a', u'b'], [1, 2]], codes=[[0, 0, 1, 1], [0, 1, 0, 1]], names=[u'foo', u'bar']) idx.set_levels(['a','b'], level=0) MultiIndex(levels=[[u'a', u'b'], [u'one', u'two']], codes=[[0, 0, 1, 1], [0, 1, 0, 1]], names=[u'foo', u'bar']) idx.set_levels(['a','b'], level='bar') MultiIndex(levels=[[1, 2], [u'a', u'b']], codes=[[0, 0, 1, 1], [0, 1, 0, 1]], names=[u'foo', u'bar']) idx.set_levels([['a','b'], [1,2]], level=[0,1]) MultiIndex(levels=[[u'a', u'b'], [1, 2]], codes=[[0, 0, 1, 1], [0, 1, 0, 1]], names=[u'foo', u'bar'])