nlme, lme4, pbkrtest (>= 0.4-1), lattice, multcompView, car,
mediation
survival, MASS, coxme, gee, geepack, glmmADMB, afex
This package provides methods for obtaining least-squares means for various linear models. It can also compute contrasts or linear combinations of these least-squares means, comparisons of slopes, plots, and compact letter displays.