exportPattern("^[[:alpha:]]+")
useDynLib("htetree")
importFrom(Rcpp, evalCpp)
importFrom("grDevices", "colorRampPalette", "rgb","dev.cur")
importFrom("graphics", "abline", "axis", "hist", "image", "layout",
           "legend", "lines", "mtext", "par", "plot.new", "polygon",
           "rect", "segments", "text")
importFrom("stats", "as.formula", "coef", "density", "lm", "pnorm",
           "var")
importFrom("utils", "data", "install.packages", "installed.packages",
               "write.csv", "capture.output", "head")
importFrom("stats", ".checkMFClasses", ".getXlevels", "model.frame",
               "model.matrix", "model.offset", "model.response",
               "model.weights", "predict")             
S3method(model.frame,causalTree)
S3method(predict,causalForest)
