export(buildStrataDF,optimizeStrata,tuneParameters,updateStrata,updateFrame,selectSample,checkInput,bethel,var.bin,evalSolution)
importFrom("grDevices", "dev.off", "pdf")
importFrom("graphics", "boxplot", "close.screen", "lines", "plot", "screen", "split.screen", "title")
importFrom("stats", "aggregate", "kmeans", "runif", "sd")
importFrom("utils", "read.delim", "write.table")
