29 lines
841 B
R
29 lines
841 B
R
#' Load xgboost model from binary file
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#'
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#' Load xgboost model from the binary model file
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#'
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#' @param modelfile the name of the binary file.
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#'
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#' @examples
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#' data(agaricus.train, package='xgboost')
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#' data(agaricus.test, package='xgboost')
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#' train <- agaricus.train
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#' test <- agaricus.test
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#' bst <- xgboost(data = train$data, label = train$label, max.depth = 2,
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#' eta = 1, nround = 2,objective = "binary:logistic")
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#' xgb.save(bst, 'xgb.model')
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#' bst <- xgb.load('xgb.model')
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#' pred <- predict(bst, test$data)
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#' @export
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#'
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xgb.load <- function(modelfile) {
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if (is.null(modelfile))
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stop("xgb.load: modelfile cannot be NULL")
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bst <- list(handle = NULL,raw = NULL)
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class(bst) <- 'xgb.Booster'
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bst$handle <- xgb.Booster(modelfile = modelfile)
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bst$raw <- xgb.save.raw(bst$handle)
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return(bst)
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}
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