getinfo: Get information of an xgb.DMatrix object

Description Usage Arguments Details Examples

View source: R/xgb.DMatrix.R

Description

Get information of an xgb.DMatrix object

Usage

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getinfo(object, ...)

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

Arguments

object

Object of class xgb.DMatrix

...

other parameters

name

the name of the information field to get (see details)

Details

The name field can be one of the following:

group can be setup by setinfo but can't be retrieved by getinfo.

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(labels2 == 1-labels))

Example output

[1] TRUE

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