xgboost (version 0.3-3)

setinfo: Set information of an xgb.DMatrix object

Description

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"

...

other parameters

name

the name of the field to get

info

the specific field of information to set

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))

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