34 lines
785 B
R
34 lines
785 B
R
% Generated by roxygen2 (4.0.1): do not edit by hand
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\docType{methods}
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\name{setinfo}
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\alias{setinfo}
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\alias{setinfo,xgb.DMatrix-method}
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\title{Set information of an xgb.DMatrix object}
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\usage{
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setinfo(object, ...)
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\S4method{setinfo}{xgb.DMatrix}(object, name, info)
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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{name}{the name of the field to get}
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\item{info}{the specific field of information to set}
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\item{...}{other parameters}
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}
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\description{
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Set information of an 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]=='setosa')
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dtrain <- xgb.DMatrix(as.matrix(iris[,1:4]), label=iris[,5])
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labels <- getinfo(dtrain, 'label')
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setinfo(dtrain, 'label', 1-labels)
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labels2 <- getinfo(dtrain, 'label')
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stopifnot(all(labels2 == 1-labels))
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}
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