| penAFT-package | Fit and tune the a semiparameteric accelerated failure time model with weight elastic net or weighted sparse group-lasso penalties. |
| genSurvData | Generate a survival dataset from the log-logistic accelerated failure time model. |
| penAFT | Fit the solution path for the regularized semiparametric accelerated failure time model with weighted elastic net or weighted sparse group lasso penalties. |
| penAFT.coef | Extract regression coefficients from fitted model object |
| penAFT.cv | Cross-validation function for fitting a regularized semiparametric accelerated failure time model |
| penAFT.plot | Plot cross-validation curves |
| penAFT.predict | Obtain linear predictor for new subjects using fitted model from 'penAFT' or 'penAFT.cv' |
| penAFT.trace | Print trace plot for the regularized Gehan estimator fit using 'penAFT' or 'penAFT.cv' |