xorbits.pandas.DataFrame.reorder_levels#

DataFrame.reorder_levels(order: Sequence[int | str], axis: Axis = 0) → DataFrame[源代码]#

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

参数

  • order (list of int or list of str) – List representing new level order. Reference level by number (position) or by key (label).

  • axis ({0 or 'index', 1 or 'columns'}, default 0) – Where to reorder levels.

返回类型

DataFrame

实际案例

>>> data = {  
...     "class": ["Mammals", "Mammals", "Reptiles"],
...     "diet": ["Omnivore", "Carnivore", "Carnivore"],
...     "species": ["Humans", "Dogs", "Snakes"],
... }
>>> df = pd.DataFrame(data, columns=["class", "diet", "species"])  
>>> df = df.set_index(["class", "diet"])  
>>> df  
                                  species
class      diet
Mammals    Omnivore                Humans
           Carnivore                 Dogs
Reptiles   Carnivore               Snakes

Let’s reorder the levels of the index:

>>> df.reorder_levels(["diet", "class"])  
                                  species
diet      class
Omnivore  Mammals                  Humans
Carnivore Mammals                    Dogs
          Reptiles                 Snakes

警告

This method has not been implemented yet. Xorbits will try to execute it with pandas.

This docstring was copied from pandas.core.frame.DataFrame.