exportPattern("^[[:alpha:]]+")
importFrom("grDevices", "dev.new", "rainbow", "topo.colors")
importFrom("graphics", "filled.contour", "image", "par", "persp", "plot", "segments")
importFrom("stats", "dnorm", "integrate", "rnorm", "runif", "sd", "var")
importFrom("stats", "runif")
importFrom("foreach","%dopar%","foreach")
importFrom("doParallel","registerDoParallel")
importFrom("parallel","detectCores", "makeCluster","stopCluster")
importFrom("utils", "install.packages")
