lgb.unloader | R Documentation |
Attempts to unload LightGBM packages so you can remove objects cleanly without having to restart R. This is useful for instance if an object becomes stuck for no apparent reason and you do not want to restart R to fix the lost object.
lgb.unloader(restore = TRUE, wipe = FALSE, envir = .GlobalEnv)
restore |
Whether to reload |
wipe |
Whether to wipe all |
envir |
The environment to perform wiping on if |
NULL invisibly.
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" , min_data = 1L , learning_rate = 1.0 ) valids <- list(test = dtest) model <- lgb.train( params = params , data = dtrain , nrounds = 5L , valids = valids ) lgb.unloader(restore = FALSE, wipe = FALSE, envir = .GlobalEnv) rm(model, dtrain, dtest) # Not needed if wipe = TRUE gc() # Not needed if wipe = TRUE library(lightgbm) # Do whatever you want again with LightGBM without object clashing
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