assign.folds            Assign observations to folds in a balanced way
cv                      Conduct cross-validation
data.frame2glmnet.matrix
                        Convert a data.frame into a matrix ready for
                        glmnet
glmnet_fit              Obtain and use a glmnet prediction model
glmnet_get.items.relevance
                        Get the relevance of the model items
glmnet_get.main.model   Get the main glmnet model across imputations
                        and folds
impute.glmnet.matrix_fit
                        Impute missing variables in a glmnet matrix
                        multiple times
surv2binary             Convert a "Surv" object into binary variables
                        at different time points
