get_candidate_covariates
                        Generate candidate empirical baseline
                        covariates based on prevalence in the baseline
                        period
get_prioritised_covariates
                        Generate the prioritised covariates from the
                        global list of binary recurrence covariates
                        using multiplicative bias ranking
get_recurrence_covariates
                        Generate the binary recurrence covariates for
                        the identified candidate empirical covariates
get_relative_risk       Compute relative risk for each of the
                        covariates with respect to outcomes occurred
rwd                     Sample Data for autoCovariateSelection
