% Generated by roxygen2: do not edit by hand % Please edit documentation in R/lgb.Booster.R \name{lgb.dump} \alias{lgb.dump} \title{Dump LightGBM model to json} \usage{ lgb.dump(booster, num_iteration = NULL) } \arguments{ \item{booster}{Object of class \code{lgb.Booster}} \item{num_iteration}{number of iteration want to predict with, NULL or <= 0 means use best iteration} } \value{ json format of model } \description{ Dump LightGBM model to json } \examples{ \dontrun{ library(lightgbm) 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) params <- list(objective = "regression", metric = "l2") valids <- list(test = dtest) model <- lgb.train(params, dtrain, 100, valids, min_data = 1, learning_rate = 1, early_stopping_rounds = 10) json_model <- lgb.dump(model) } }