| Qest-package | Quantile-Based Estimator |
| invQ | Inverse of Quantile Function |
| Qcoxph | Q-Estimation of Proportional Hazards Regression Models |
| Qcoxph.control | Auxiliary for Controlling Qcoxph Fitting |
| Qest | Q-Estimation |
| Qest.control | Auxiliary for Controlling Qest Fitting |
| Qfamily | Family Objects for Qest |
| Qgamma | Family Objects for Qest |
| Qlm | Q-Estimation of Linear Regression Models |
| Qlm.fit | Fitter Functions for Quantile-based Linear Models |
| Qnorm | Family Objects for Qest |
| Qpois | Family Objects for Qest |
| Qunif | Family Objects for Qest |
| summary.Qest | Summarizing Q-estimators |
| wtrunc | Weighting Function for 'Qest', 'Qlm', and 'Qcoxph'. |