19 lines
478 B
R
19 lines
478 B
R
setGeneric("nrow")
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#' @param x Object of class \code{xgb.DMatrix}
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#' @title \code{nrow} return the number of rows present in x.
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#' @rdname nrow
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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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#' stopifnot(nrow(dtrain) == nrow(train$data))
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#'
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#' @export
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setMethod("nrow",
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signature = "xgb.DMatrix",
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definition = function(x) {
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xgb.numrow(x)
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}
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)
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