code: def reset(self):
          '''
          Reset list of terms and y-variable.
          '''
          self.terms = OrderedDict()
          self.y = None
          self.backend = None
          self.added_terms = []
          self._added_priors = {}
          self.completes = []
          self.clean_data = Nonf reset(self):
          '''
          Reset list of terms and y-variable.
          '''
          self.terms = OrderedDict()
          self.y = None
          self.backend = None
          self.added_terms = []
          self._added_priors = {}
          self.completes = []
          self.clean_data = None
docs: Reset list of terms and y-variable.