def METHOD_NAME(self):
    aggregated = Dataset({'gender':['M', 'F'], 'weight':[16.5, 10], 'height':[0.7, 0.8]},
                         kdims=self.alias_kdims[:1], vdims=self.alias_vdims)
    self.compare_dataset(self.alias_table.aggregate('Gender', np.mean).sort(), aggregated.sort())