| F_est | Estimate the Conditional CDF of the Event Time given Covariates |
| G_est | Estimate the Conditional CDF for the Left Truncation Time given Covariates |
| simu | A Simulated Data Set under Left Truncation but No Right Censoring |
| simu_c1 | A Simulated Data Set under Left Truncation and Right Censoring where Censoring can be before Truncation |
| simu_c2 | A Simulated Data Set under Left Truncation and Right Censoring where Censoring is always after Truncation |
| truncAIPW | Doubly Robust Estimation under Covariate-induced Dependent Left Truncation and No Censoring |
| truncAIPW_cen1 | Doubly Robust Estimation under Covariate-induced Dependent Left Truncation and Noninformative Right Censoring where Censoring can be before Left Truncation |
| truncAIPW_cen2 | Doubly Robust Estimation under Covariate-induced Dependent Left Truncation and Noninformative Right Censoring where Censoring is always after Left Truncation |