diggle.linear.power     Linear mixed model sample size calculations.
liu.liang.linear.power
                        Linear mixed model sample size calculations
                        from Liu & Liang (1997).
lmmpower-methods        Sample size calculations for linear mixed
                        models of rate of change based on lmer, lme, or
                        gee "placebo" pilot estimates.
longpower-package       Sample size calculations for longitudinal data
print.power.longtest    Print method for longitudinal data power
                        calculation object
