reorder_levels(self, order: 'Sequence[Axis]', axis: 'Axis' = 0) -> 'DataFrame'
List representing new level order. Reference level by number (position) or by key (label).
Where to reorder levels.
Rearrange index levels using input order. May not drop or duplicate levels.
>>> 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:
This example is valid syntax, but we were not able to check execution>>> df.reorder_levels(["diet", "class"]) species diet class Omnivore Mammals Humans Carnivore Mammals Dogs Reptiles SnakesSee :
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