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Update xgb.cv.R

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add parameter missing
This commit is contained in:
Tong He 2014-11-20 15:14:00 -08:00
parent bbd7098e51
commit 20817b56f3
1 changed files with 6 additions and 2 deletions
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8
R-package/R/xgb.cv.R
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@ -53,7 +53,7 @@
#' "max.depth"=3, "eta"=1, "objective"="binary:logistic")
#' @export
#'
xgb.cv <- function(params=list(), data, nrounds, nfold, label = NULL,
xgb.cv <- function(params=list(), data, nrounds, nfold, label = NULL, missing = NULL,
showsd = TRUE, metrics=list(), obj = NULL, feval = NULL, ...) {
if (typeof(params) != "list") {
stop("xgb.cv: first argument params must be list")
@ -61,7 +61,11 @@ xgb.cv <- function(params=list(), data, nrounds, nfold, label = NULL,
if (nfold <= 1) {
stop("nfold must be bigger than 1")
}
dtrain <- xgb.get.DMatrix(data, label)
if (is.null(missing)) {
dtrain <- xgb.get.DMatrix(data, label)
} else {
dtrain <- xgb.get.DMatrix(data, label, missing)
}
params <- append(params, list(...))
params <- append(params, list(silent=1))
for (mc in metrics) {