| 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 |