pandas.MultiIndex.reorder_levels#

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

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'])

pandas.MultiIndex.swaplevel

pandas.MultiIndex.remove_unused_levels