def gain_ratio(self, word):
        if self.model is not None:
            return self.model.gr(word)
        return 0.0
Test absent group
dataset/ETHPy150Open clips/pattern/pattern/vector/__init__.py/Document.gain_ratio--crossover with--dataset/ETHPy150Open saltstack/salt/tests/unit/states/postgres_privileges_test.py/PostgresPrivilegesTestCase.test_absent_group