xgb.DMatrix.save: Save xgb.DMatrix object to binary file

In xgboost: Extreme Gradient Boosting

Save xgb.DMatrix object to binary file

Description

Save xgb.DMatrix object to binary file

Usage

xgb.DMatrix.save(dmatrix, fname)

Arguments

dmatrix	the xgb.DMatrix object
fname	the name of the file to write.

Examples

data(agaricus.train, package = "xgboost")

dtrain <- with(agaricus.train, xgb.DMatrix(data, label = label, nthread = 2))
fname <- file.path(tempdir(), "xgb.DMatrix.data")
xgb.DMatrix.save(dtrain, fname)
dtrain <- xgb.DMatrix(fname, nthread = 1)

xgboost documentation built on Dec. 3, 2025, 5:06 p.m.