readRDS.gpb.Booster {gpboost}

readRDS for gpb.Booster models

Description

Attempts to load a model stored in a .rds file, using readRDS

Usage

readRDS.gpb.Booster(file, refhook = NULL)

Arguments

file

a connection or the name of the file where the R object is saved to or read from.

refhook

a hook function for handling reference objects.

Value

gpb.Booster

Examples

library(gpboost)
data(agaricus.train, package = "gpboost")
train <- agaricus.train
dtrain <- gpb.Dataset(train$data, label = train$label)
data(agaricus.test, package = "gpboost")
test <- agaricus.test
dtest <- gpb.Dataset.create.valid(dtrain, test$data, label = test$label)
params <- list(objective = "regression", metric = "l2")
valids <- list(test = dtest)
model <- gpb.train(
  params = params
  , data = dtrain
  , nrounds = 10L
  , valids = valids
  , min_data = 1L
  , learning_rate = 1.0
  , early_stopping_rounds = 5L
)
model_file <- tempfile(fileext = ".rds")
saveRDS.gpb.Booster(model, model_file)
new_model <- readRDS.gpb.Booster(model_file)