slice(object, ...)## S3 method for class 'xgb.DMatrix': slice(object, idxset, ...)
## S3 method for class 'xgb.DMatrix': slice(object, idxset, ...)
data(agaricus.train, package='xgboost') train <- agaricus.train dtrain <- xgb.DMatrix(train$data, label=train$label) dsub <- slice(dtrain, 1:3)
Run the code above in your browser using DataCamp Workspace