setinfo: Set information of an xgb.DMatrix object

Description Usage Arguments Details Examples

View source: R/xgb.DMatrix.R

Description

Set information of an xgb.DMatrix object

Usage

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setinfo(object, ...)

## S3 method for class 'xgb.DMatrix'
setinfo(object, name, info, ...)

Arguments

object

Object of class "xgb.DMatrix"

...

other parameters

name

the name of the field to get

info

the specific field of information to set

Details

The name field can be one of the following:

Examples

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data(agaricus.train, package='xgboost')
train <- agaricus.train
dtrain <- xgb.DMatrix(train$data, label=train$label)

labels <- getinfo(dtrain, 'label')
setinfo(dtrain, 'label', 1-labels)
labels2 <- getinfo(dtrain, 'label')
stopifnot(all.equal(labels2, 1-labels))

Example output

[1] TRUE

xgboost documentation built on April 22, 2021, 5:06 p.m.