code: def log_likelihood(self):
          r
          # TODO: check that we are estimated...
          return _tram.log_likelihood_lower_bound(
              self.log_lagrangian_mult, self.biased_conf_energies,
              self.count_matrices, self.btrajs, self.dtrajs, self.state_counts,
              None, None, None, None, None)
docs: r"""
          Returns the value of the log-likelihood of the converged TRAM estimate.