data_simu               Simulate Time Series Data for ZI-INAR(1) or
                        H-INAR(1) Models
get_est                 Get Parameter Estimates from Stan Model Fit
get_mod_sel             Get Model Selection Criteria
get_pred                Get Predictions from Stan Model Fit
get_stanfit             Fit ZI-INAR(1) or H-INAR(1) Model using Stan
