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Print information about xgb.DMatrix. Currently it displays dimensions and presence of info-fields and colnames.
# S3 method for xgb.DMatrix print(x, verbose = FALSE, ...)
an xgb.DMatrix object
whether to print colnames (when present)
not currently used
data(agaricus.train, package='xgboost') dtrain <- with(agaricus.train, xgb.DMatrix(data, label = label, nthread = 2)) dtrain print(dtrain, verbose=TRUE)
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