exportPattern("^[[:alpha:]]+")
import("VineCopula","boot","mvtnorm","numDeriv","mvQuad", "ggplot2","Rdpack")
importFrom("stats", "acf", "cov", "dbinom", "dnorm", "integrate",
  "qbeta",   "optimise", "pnorm", "qchisq", "qnorm", "qt", "rbinom",
             "rnorm", "sd", "uniroot", "var","density")

importFrom("utils", "setTxtProgressBar", "txtProgressBar")

importFrom("grid", "grid.newpage", "pushViewport", "viewport","grid.layout")