exportPattern("^[[:alpha:]]+")
importFrom("lme4", "findbars", "nobars", "lmer", "glmer", "lmerControl", "glmerControl")
importFrom("methods", "as")
importFrom("pbkrtest", "KRmodcomp")
importFrom("graphics", "abline", "arrows", "legend", "lines", "par",
           "plot")
importFrom("stats", "AIC", "aggregate", "as.formula", "cor",
           "drop.terms", "formula", "gaussian", "glm.control", "lm",
           "logLik", "model.matrix", "na.omit", "nobs", "pchisq",
           "predict", "pt", "reformulate", "resid", "terms", "update",
           "var", "vcov")
importFrom("utils", "setTxtProgressBar", "txtProgressBar")
import(lavaan)
import(nlme)