add_cv_number           Assign a k-fold cross-validation number
data_repeat_outcomes    Simulated repeat measurement and time-to-event
                        data
fit_LME_landmark        Fit a landmarking model using a linear mixed
                        effects (LME) model for the longitudinal
                        submodel
fit_LME_longitudinal    Fit a landmarking model using a linear mixed
                        effects (LME) model for the longitudinal
                        submodel
fit_LOCF_landmark       Fit a landmark model using a last observation
                        carried forward (LOCF) method for the
                        longitudinal data
fit_LOCF_longitudinal   Find the last observation carried forward
                        (LOCF) values for covariates in a dataset
fit_survival_model      Fit a survival sub-model
get_model_assessment    Compute C-index and Brier score
mixoutsamp              Calculate point estimates from a linear mixed
                        effects (LME) model for new data
plot.landmark           Create a calibration plot
predict.landmark        Predict the risk of an event for a new
                        individual using the landmark model
return_ids_with_LOCF    Select individuals in a dataset with a last
                        observation carried forward (LOCF) at a
                        landmark time
