PS_SAM_data             Simulated Data for the Construction of
                        Propensity Score-Integrated Informative Priors
PS_prior                Calculating the Propensity Score-Integrated
                        Informative Priors
SAM_prior               Calculating SAM priors
SAM_weight              Calculating Mixture Weight of SAM Priors
get_OC                  Generating Operating Characteristics of SAM
                        Priors
