def uncertainty_pi(self):
        """Estimate of the element-wise asymptotic standard deviation
        in the stationary distribution.
        """
        if self.information_ is None:
            self._build_information()

        sigma_pi = _ratematrix.sigma_pi(
            self.information_, theta=self.theta_, n=self.n_states_)
        return sigma_pi
Estimate of the element-wise asymptotic standard deviation
        in the stationary distribution.