exportPattern("^[[:alpha:]]+")
importFrom("eva","rgpd","qgpd","gpdFit","pSeqStop")
importFrom("graphics", "abline", "lines", "par", "plot")
importFrom("stats", "complete.cases", "lm", "median", "pchisq",
             "pnorm", "ppoints", "qnorm", "quantile", "sd")