lgb.Dataset.save: Save 'lgb.Dataset' to a binary file

In lightgbm: Light Gradient Boosting Machine

Save lgb.Dataset to a binary file

Description

Please note that init_score is not saved in binary file. If you need it, please set it again after loading Dataset.

Usage

lgb.Dataset.save(dataset, fname)

Arguments

dataset	object of class lgb.Dataset
fname	object filename of output file

Value

the dataset you passed in

Examples

data(agaricus.train, package = "lightgbm")
train <- agaricus.train
dtrain <- lgb.Dataset(train$data, label = train$label)
lgb.Dataset.save(dtrain, tempfile(fileext = ".bin"))

lightgbm documentation built on Jan. 17, 2023, 1:13 a.m.