31 lines
686 B
R
31 lines
686 B
R
% Generated by roxygen2 (4.0.1): do not edit by hand
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\docType{methods}
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\name{slice}
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\alias{slice}
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\alias{slice,xgb.DMatrix-method}
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\title{Get a new DMatrix containing the specified rows of
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orginal xgb.DMatrix object}
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\usage{
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slice(object, ...)
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\S4method{slice}{xgb.DMatrix}(object, idxset, ...)
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}
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\arguments{
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\item{object}{Object of class "xgb.DMatrix"}
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\item{idxset}{a integer vector of indices of rows needed}
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\item{...}{other parameters}
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}
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\description{
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Get a new DMatrix containing the specified rows of
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orginal xgb.DMatrix object
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}
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\examples{
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data(iris)
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iris[,5] <- as.numeric(iris[,5])
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dtrain <- xgb.DMatrix(as.matrix(iris[,1:4]), label=iris[,5])
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dsub <- slice(dtrain, 1:3)
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}
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