def major_xs(self, key):
return self.xs(key, axis=self._AXIS_LEN - <NUM_LIT:2>)<EOL>
Return slice of panel along major axis.

Parameters
----------
key : object
    Major axis label

Returns
-------
y : DataFrame
    Index -> minor axis, columns -> items.

Notes
-----
major_xs is only for getting, not setting values.

MultiIndex Slicers is a generic way to get/set values on any level or
levels and is a superset of major_xs functionality, see
:ref:`MultiIndex Slicers <advanced.mi_slicers>`