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# pandas.Series.unstack

Series.unstack(level=-1, fill_value=None, sort=True)

  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.

  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