export(fastDR, ks, make.fastDR.formula)
import(gbm3, survey)
importFrom("methods", "is")
importFrom("stats", "coef", "cor", "formula", "median", "model.frame",
             "model.matrix", "na.pass", "predict", "terms", "update",
             "vcov", "weighted.mean")
S3method(print,   fastDR)
S3method(summary, fastDR)