pandas.Series.droplevel — pandas 0.25.3 documentation (original) (raw)
Series. droplevel(self, level, axis=0)[source]¶
Return DataFrame with requested index / column level(s) removed.
New in version 0.24.0.
| Parameters: | level : int, str, or list-like If a string is given, must be the name of a level If list-like, elements must be names or positional indexes of levels. axis : {0 or ‘index’, 1 or ‘columns’}, default 0 |
|---|---|
| Returns: | DataFrame.droplevel() |
Examples
df = pd.DataFrame([ ... [1, 2, 3, 4], ... [5, 6, 7, 8], ... [9, 10, 11, 12] ... ]).set_index([0, 1]).rename_axis(['a', 'b'])
df.columns = pd.MultiIndex.from_tuples([ ... ('c', 'e'), ('d', 'f') ... ], names=['level_1', 'level_2'])
df level_1 c d level_2 e f a b 1 2 3 4 5 6 7 8 9 10 11 12
df.droplevel('a') level_1 c d level_2 e f b 2 3 4 6 7 8 10 11 12
df.droplevel('level2', axis=1) level_1 c d a b 1 2 3 4 5 6 7 8 9 10 11 12