| icrsf | Permutation-based variable importance metric for high dimensional datasets appropriate for time to event outcomes, in the presence of imperfect self-reports or laboratory-based diagnostic tests. | 
| pheno | A longitudinal data with diagnostic results for pre-determined time | 
| simout | Simulate error-prone test results for a user-defined vector of test times for each of the N subjects, for a user input NxP design matrix (Xmat). | 
| treebuilder | Permutation-based variable importance metric for high dimensional datasets appropriate for time to event outcomes, in the presence of imperfect self-reports or laboratory-based diagnostic tests. | 
| Xmat | A covariate matrix |