export("combat_apply", "combat_fit", "lmm_fit", "prescale_apply", "prescale_fit")
importFrom("car", "linearHypothesis")
importFrom("caret", "findLinearCombos")
importFrom("Matrix", "rankMatrix")
importFrom("nlme", "lme")
importFrom("stats", "coef", "lm", "median", "model.matrix", "qnorm", "sd", "var")
