code: def clear_cached_values(self):
          
          self._prof_interp = None
          self._prof_y = None
          self._prof_z = None
          self._marg_interp = None
          self._marg_z = None
          self._post = None
          self._post_interp = None
          self._interp = None
          self._ret_type = None
docs: Removes all of the cached values and interpolators