exportPattern("^[[:alpha:]]+")
import(gplots)
import(psych)
import(grid)
import(readr)
importFrom("grDevices", "dev.off", "grey", "pdf")
importFrom("graphics", "barplot", "boxplot", "hist", "legend", "lines","par", "title")
importFrom("stats", "density", "qqline", "qqnorm", "sd")
importFrom("utils", "read.csv")
importFrom("readr", "read_delim")
