设置 lgb.Dataset 的引用

如果您想使用验证数据，您应该将引用设置为训练数据

lgb.Dataset.set.reference(dataset, reference)

参数

dataset

lgb.Dataset 类对象

reference

lgb.Dataset 类对象

返回值

您传入的数据集

示例

# \donttest{
# create training Dataset
data(agaricus.train, package ="lightgbm")
train <- agaricus.train
dtrain <- lgb.Dataset(train$data, label = train$label)

# create a validation Dataset, using dtrain as a reference
data(agaricus.test, package = "lightgbm")
test <- agaricus.test
dtest <- lgb.Dataset(test$data, label = test$label)
lgb.Dataset.set.reference(dtest, dtrain)
# }