MulSeries.query#

MulSeries.query(index=None, **kwargs)#

Query the index dataframe of a MulSeries and return the the query result as a MulSeries.

The function uses the pandas.DataFrame.query method under the hood.

Parameters#

indexNone or str: The query string to evaluate for the index dataframe. Check DataFrame.query for detailed specification of this argument.
kwargsany: The same kwargs passed to DataFrame.query including the inplace=False argument.

Returns#

MulSeries or None: None if inplace=True.

Examples#

>>> index = pd.DataFrame([['a','b','c'],
                          ['g','b','f'],
                          ['b','g','h']],
                columns=['x','y','z'])
>>> name = pd.Series(['a','b'],index=['e','f'],name='cc')
>>> ms = MulSeries([1,2,3],index=index,name=name)
>>> ms.query('y == "b"')
(2,)        f   b
            e   a
               cc
----------  ------
   x  y  z     cc
0  a  b  c  0   1
1  g  b  f  1   2