def clean(self):
        return self.backend.clean(self._meta)
Deletes variables from the NoisyOrModel.
dataset/ETHPy150Open lsbardel/python-stdnet/stdnet/odm/session.py/SessionModel.clean--crossover with--dataset/ETHPy150Open pgmpy/pgmpy/pgmpy/models/NoisyOrModel.py/NoisyOrModel.del_variables