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pandas.Series.unstack

Series.unstack(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, string, or list of these, default last level

Level(s) to unstack, can pass level name

fill_value : replace NaN with this value if the unstack produces

missing values

New in version 0.18.0.

Returns:

unstacked : DataFrame

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
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