Classe « MultiIndex »

Méthode pandas.MultiIndex.reorder_levels

Signature de la méthode reorder_levels

def reorder_levels(self, order) 

Description

reorder_levels.__doc__

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

        Parameters
        ----------
        order : list 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'])