setinfo

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Set information of an xgb.DMatrix object

Set information of an xgb.DMatrix object

Usage
setinfo(object, ...)

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

Arguments
object
Object of class "xgb.DMatrix"
name
the name of the field to get
info
the specific field of information to set
...
other parameters
Aliases
  • setinfo
  • setinfo,xgb.DMatrix-method
Examples
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(labels2 == 1-labels))
Documentation reproduced from package xgboost, version 0.3-2, License: Apache License (== 2.0) | file LICENSE

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