BootEst.MO.SA           Bootstrap confidence intervals for the
                        bias-corrected multiply robust estimator under
                        violations of monotonicity
BootEst.PI.SA           Bootstrap confidence intervals for the multiply
                        robust estimator
PointEst.MO.SA          Point estimation for the multiply robust
                        estimator under violation of monotonicity
                        assumption
PointEst.PI.SA          Point estimation for the multiply robust
                        estimator
mrPStrata               Multiply robust estimator for calculating the
                        principal survival causal effects among always
                        takers, compliers, and never takers
mrPStrata_MO_SA         Bias-corrected multiply robust estimator of the
                        PSCE under violation of monotonicity
mrPStrata_PI_SA         Bias-corrected multiply robust estimator of the
                        PSCE under violation of the principal
                        ignorability assumption
plot.psce               Plot of the PSCEs and their associated 95%
                        pointwise confidence intervals
sim_data                Simulated survival dataset
