lightgbm (version 3.2.1)

lgb.Dataset.create.valid: Construct validation data

Description

Construct validation data according to training data

Usage

lgb.Dataset.create.valid(dataset, data, info = list(), ...)

Arguments

dataset

lgb.Dataset object, training data

data

a matrix object, a dgCMatrix object or a character representing a filename

info

a list of information of the lgb.Dataset object

...

other information to pass to info.

Value

constructed dataset

Examples

# NOT RUN {
data(agaricus.train, package = "lightgbm")
train <- agaricus.train
dtrain <- lgb.Dataset(train$data, label = train$label)
data(agaricus.test, package = "lightgbm")
test <- agaricus.test
dtest <- lgb.Dataset.create.valid(dtrain, test$data, label = test$label)
# }