pandas.MultiIndex.reorder_levels — pandas 2.2.3 documentation (original) (raw)

MultiIndex.reorder_levels(order)[source]#

Rearrange levels using input order. May not drop or duplicate levels.

Parameters:

orderlist of int or list of str

List representing new level order. Reference level by number (position) or by key (label).

Returns:

MultiIndex

Examples

mi = pd.MultiIndex.from_arrays([[1, 2], [3, 4]], names=['x', 'y']) mi MultiIndex([(1, 3), (2, 4)], names=['x', 'y'])

mi.reorder_levels(order=[1, 0]) MultiIndex([(3, 1), (4, 2)], names=['y', 'x'])

mi.reorder_levels(order=['y', 'x']) MultiIndex([(3, 1), (4, 2)], names=['y', 'x'])