| huber.lasso | Huber-Lasso estimator |
| huber.reg | Huber estimation for linear regression |
| huberloss | Huber Loss |
| LAD | Least Absolute Deviance Estimator for Linear Regression |
| LADlasso | LAD-Lasso for Linear Regression |
| MTE | Maximum Tangent-likelihood Estimation |
| MTElasso | MTE-Lasso estimator |