28 lines
801 B
R
28 lines
801 B
R
#' Save xgb.DMatrix object to binary file
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#'
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#' Save xgb.DMatrix object to binary file
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#'
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#' @param DMatrix the DMatrix object
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#' @param fname 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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#' train <- agaricus.train
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#' dtrain <- xgb.DMatrix(train$data, label=train$label)
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#' xgb.DMatrix.save(dtrain, 'xgb.DMatrix.data')
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#' dtrain <- xgb.DMatrix('xgb.DMatrix.data')
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#' @export
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#'
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xgb.DMatrix.save <- function(DMatrix, fname) {
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if (typeof(fname) != "character") {
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stop("xgb.save: fname must be character")
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}
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if (class(DMatrix) == "xgb.DMatrix") {
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.Call("XGDMatrixSaveBinary_R", DMatrix, fname, as.integer(FALSE),
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PACKAGE = "xgboost")
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return(TRUE)
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}
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stop("xgb.DMatrix.save: the input must be xgb.DMatrix")
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return(FALSE)
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}
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