pandas.Series.unstack — pandas 0.25.3 documentation (original) (raw)
Series. unstack(self, level=-1, fill_value=None)[source]¶
Unstack, a.k.a. pivot, Series with MultiIndex to produce DataFrame. The level involved will automatically get sorted.
| Parameters: | level : int, str, or list of these, default last level Level(s) to unstack, can pass level name. fill_value : scalar value, default None Value to use when replacing NaN values. New in version 0.18.0. |
|---|---|
| Returns: | DataFrame Unstacked Series. |
Examples
s = pd.Series([1, 2, 3, 4], ... index=pd.MultiIndex.from_product([['one', 'two'], ... ['a', 'b']])) s one a 1 b 2 two a 3 b 4 dtype: int64
s.unstack(level=-1) a b one 1 2 two 3 4
s.unstack(level=0) one two a 1 3 b 2 4