auto.modal.arima        Automatic selection of Parametric Modal ARIMA
                        model
diagnostics             Diagnostic Plots for Modal ARIMA Models
envelope                Simulation Envelope Diagnostics for Modal ARIMA
                        Models
fit_modal_arima         Fit a Parametric Modal ARIMA Model using the
                        SKD Family
forecast.modal_arima    Forecast methodology for Modal ARIMA
