import(methods)
importFrom("grDevices", "pdf")
importFrom("graphics", "arrows", "curve", "hist", "lines", "par", "text", "title")
importFrom("stats", "dnorm", "ftable", "lm", "qf", "qqline", "qqnorm", "qt", "var")
importFrom("utils", "read.table", "str")
#exportPattern("^[[:alpha:]]+")
exportPattern("^[^.]")
