Delta-method band \(\hat\mu_u \pm z\,\widehat{\mathrm{se}}(\hat\mu_u)\), with the standard error propagated from the inverse observed information of the unconstrained parameters by a numerical gradient.
Delta-method band \(\hat\mu_u \pm z\,\widehat{\mathrm{se}}(\hat\mu_u)\), with the standard error propagated from the inverse observed information of the unconstrained parameters by a numerical gradient.