MEPS                    Healthcare expenditure data
ord_curve               Ordered curve for assessing mean structures
qqresid                 QQ-plots of DPIT residuals
resid_2pm               Residuals for regression models with two-part
                        outcomes
resid_disc              Residuals for regression models with discrete
                        outcomes
resid_quasi             Quasi Emprical residuals functions
resid_semiconti         Residuals for regression models with
                        semicontinuous outcomes
resid_zeroinfl          Residuals for regression models with
                        zero-inflated outcomes
