exportPattern("^[[:alpha:]]+")
importFrom("grDevices", "colorRampPalette")
importFrom("graphics", "abline", "arrows", "axis", "par", "plot","text")
importFrom("methods", "slot")
importFrom("stats", "lm", "median", "qnorm", "quantile", "rbinom",
             "residuals", "rstandard", "rstudent", "sd")
importFrom("utils", "tail", "head")
importFrom("utils", "install.packages")
S3method(confint, index)
S3method(plot, confintindex)
S3method(print, index)
S3method(print, fxindex)
S3method(residuals, index)
S3method(rstandard, index)
S3method(rstudent, index)
S3method(head, impacts)
S3method(tail, impacts)
S3method(print, impacts)





