slice

0th

Percentile

Get a new DMatrix containing the specified rows of orginal xgb.DMatrix object

Get a new DMatrix containing the specified rows of orginal xgb.DMatrix object

Usage
slice(object, ...)
"slice"(object, idxset, ...)
Arguments
object
Object of class "xgb.DMatrix"
...
other parameters
idxset
a integer vector of indices of rows needed
Aliases
  • slice
  • slice,xgb.DMatrix-method
Examples
data(agaricus.train, package='xgboost')
train <- agaricus.train
dtrain <- xgb.DMatrix(train$data, label=train$label)
dsub <- slice(dtrain, 1:3)
Documentation reproduced from package xgboost, version 0.4-4, License: Apache License (== 2.0) | file LICENSE

Community examples

Looks like there are no examples yet.