stats, pbkrtest, mgcv, lme4, nlme, Matrix
knitr, ggplot2, gridExtra, xtable, reshape2, sandwich, stepp,
aods3, CorrBin, SASmixed, SimComp, HSAUR3
knitr, xtable, reshape2, sandwich, CorrBin, SASmixed,
SimComp, HSAUR3