pandas.Series.unstack#

Series.unstack(level=-1, fill_value=None, sort=True)[source]#

Unstack, also known as pivot, Series with MultiIndex to produce DataFrame.

Parameters:

levelint, str, or list of these, default last level: Level(s) to unstack, can pass level name.
fill_valuescalar value, default None: Value to use when replacing NaN values.
sortbool, default True: Sort the level(s) in the resulting MultiIndex columns.

Returns:

DataFrame: Unstacked Series.

See also

DataFrame.unstack: Pivot the MultiIndex of a DataFrame.

Notes

Reference the user guide for more examples.

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