methods, lattice, graphics, stats4, splines, mvtnorm,
multcomp, MASS, mratios
methods, lattice, graphics, stats4, splines, mvtnorm,
multcomp, MASS, mratios, lme4
ggplot2, splines, mvtnorm, multcomp, MASS
quadprog, ggplot2, splines, mvtnorm, multcomp, MASS