importFrom("vegan", "protest", "rda")
importFrom("ca", "ca")
importFrom("ellipse", "ellipse")
importFrom("grDevices", "rainbow", "adjustcolor")
importFrom("graphics", "abline", "arrows", "axTicks", "axis", "par",
           "plot", "points", "segments", "text", "lines", "polygon",
           "rect","legend")
importFrom("stats", "var", "lm", "qf", "qt", "quantile", "sd","glm","qchisq",
           "cor","predict")
exportPattern("^[[:alpha:]]+")
