GEVStableGarch-package
                        ARMA-GARCH or ARMA-APARCH modelling with GEV
                        and stable distributions
GSgarch.Fit             ARMA-GARCH/APARCH estimation with GEV and
                        stable distributions
GSgarch.FitAIC          ARMA-GARCH/APARCH model with minimum AIC
GSgarch.Sim             Simulation of ARMA-GARCH/APARCH process with
                        GEV and stable conditional distributions
