od.2                    Optimal sample allocation calculation for
                        two-level CRTs
od.3                    Optimal sample allocation calculation for
                        three-level CRTs
od.4                    Optimal sample allocation calculation for
                        four-level CRTs
odr                     Optimal Design and Statistical Power of
                        Multilevel Randomized Trials
power.2                 Required budget (and/or sample size), power,
                        MDES calculation for two-level CRTs
power.3                 Required budget (and/or sample size), power,
                        MDES calculation for three-level CRTs
power.4                 Required budget (and/or sample size), power,
                        MDES calculation for four-level CRTs
re                      Relative efficiency (RE) calculation
