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update documentation for xgb.cv

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This commit is contained in:
Vadim Khotilovich 2015-04-03 11:14:09 -05:00
parent 611d69c771
commit b04920d8e7
1 changed files with 6 additions and 4 deletions
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10
R-package/man/xgb.cv.Rd
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@ -6,7 +6,7 @@
\usage{
xgb.cv(params = list(), data, nrounds, nfold, label = NULL,
missing = NULL, prediction = FALSE, showsd = TRUE, metrics = list(),
obj = NULL, feval = NULL, verbose = T, ...)
obj = NULL, feval = NULL, stratified = TRUE, verbose = T, ...)
}
\arguments{
\item{params}{the list of parameters. Commonly used ones are:
@ -51,13 +51,15 @@ value that represents missing value. Sometime a data use 0 or other extreme valu
}}
\item{obj}{customized objective function. Returns gradient and second order
gradient with given prediction and dtrain,}
gradient with given prediction and dtrain.}
\item{feval}{custimized evaluation function. Returns
\code{list(metric='metric-name', value='metric-value')} with given
prediction and dtrain,}
prediction and dtrain.}
\item{verbose}{\code{boolean}, print the statistics during the process.}
\item{stratified}{\code{boolean}, whether the sampling of folds should be stratified by the values of labels in \code{data}}
\item{verbose}{\code{boolean}, print the statistics during the process}
\item{...}{other parameters to pass to \code{params}.}
}