wehub-resource-sync
35 lines
926 B
R
35 lines
926 B
R
% Generated by roxygen2: do not edit by hand
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% Please edit documentation in R/lgb.Dataset.R
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\name{dim.lgb.Dataset}
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\alias{dim.lgb.Dataset}
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\title{Dimensions of an \code{lgb.Dataset}}
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\usage{
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\method{dim}{lgb.Dataset}(x)
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}
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\arguments{
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\item{x}{Object of class \code{lgb.Dataset}}
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}
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\value{
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a vector of numbers of rows and of columns
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}
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\description{
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Returns a vector of numbers of rows and of columns in an \code{lgb.Dataset}.
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}
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\details{
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Note: since \code{nrow} and \code{ncol} internally use \code{dim}, they can also
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be directly used with an \code{lgb.Dataset} object.
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}
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\examples{
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\donttest{
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\dontshow{setLGBMthreads(2L)}
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\dontshow{data.table::setDTthreads(1L)}
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data(agaricus.train, package = "lightgbm")
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train <- agaricus.train
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dtrain <- lgb.Dataset(train$data, label = train$label)
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stopifnot(nrow(dtrain) == nrow(train$data))
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stopifnot(ncol(dtrain) == ncol(train$data))
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stopifnot(all(dim(dtrain) == dim(train$data)))
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}
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}
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