cprm.power              Chronic progressive repeated measures (CPRM)
                        model sample size calculations.
diggle.linear.power     Sample size calculations for difference in
                        slopes between two groups.
edland.linear.power     Linear mixed model sample size calculations.
hu.mackey.thomas.linear.power
                        Random coefficient regression models (RCRM)
                        sample size calculations
liu.liang.linear.power
                        Linear mixed model sample size calculations
                        from Liu & Liang (1997).
lmmpower                Sample size calculations for linear mixed
                        models of rate of change based on lmer, lme, or
                        gee "placebo" pilot estimates.
power.longtest          Constructor function for class
                        '"power.longtest"'
power.mmrm              Linear mixed model sample size calculations.
power.mmrm.ar1          Linear mixed model sample size calculations.
print.power.longtest    Print method for longitudinal data power
                        calculation object
