EMforCFR                A function to estimate the relative case
                        fatality ratio when reporting rates are
                        time-varying and deaths are lagged because of
                        survival time.
SEM.variance            Implementation of the Supplemented EM algorithm
run.Estep               The expectation step for a specialized EM
                        algorithm
run.Mstep               The maximization step for a specialized EM
                        algorithm
