nag_univar_estim_genpareto (g07bfc) Example Program Results Parameter estimates xi 5.404394e-01 beta 1.040549e+00 Observed distribution Var(xi) 7.993204e-02 Var(beta) 1.198720e-01 Covar(xi,beta) -4.550923e-02 Final log-likelihood: -3.634433e+01