exportPattern("^[^\\.]")
import(xtable, pbapply)
S3method(plot, A3)
S3method(print, A3)
S3method(xtable, A3)
importFrom("graphics", "abline", "par", "plot", "rug")
importFrom("stats", "cor", "density", "gaussian", "glm", "median", "model.frame", "model.matrix", "model.response", "predict", "rnorm")