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[R] fix #1903 (#1929)

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This commit is contained in:
Vadim Khotilovich 2017-01-06 15:16:37 -06:00 committed by Tianqi Chen
parent d7406e07f3
commit 87e897f428
1 changed files with 2 additions and 0 deletions
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2
R-package/R/xgb.Booster.R
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@ -185,6 +185,8 @@ predict.xgb.Booster <- function(object, newdata, missing = NA,
newdata <- xgb.DMatrix(newdata, missing = missing)
if (is.null(ntreelimit))
ntreelimit <- NVL(object$best_ntreelimit, 0)
if (NVL(object$params[['booster']], '') == 'gblinear')
ntreelimit <- 0
if (ntreelimit < 0)
stop("ntreelimit cannot be negative")