Classe « Series »

Méthode pandas.Series.unstack

Signature de la méthode unstack

def unstack(self, level=-1, fill_value=None) 

Description

unstack.__doc__

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

        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.

        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