% Generated by roxygen2: do not edit by hand % Please edit documentation in R/lgb.Dataset.R \name{slice} \alias{slice} \alias{slice.lgb.Dataset} \title{Slice a dataset} \usage{ slice(dataset, ...) \method{slice}{lgb.Dataset}(dataset, idxset, ...) } \arguments{ \item{dataset}{Object of class "lgb.Dataset"} \item{...}{other parameters (currently not used)} \item{idxset}{a integer vector of indices of rows needed} } \value{ constructed sub dataset } \description{ Get a new \code{lgb.Dataset} containing the specified rows of orginal lgb.Dataset object } \examples{ \dontrun{ library(lightgbm) data(agaricus.train, package = "lightgbm") train <- agaricus.train dtrain <- lgb.Dataset(train$data, label = train$label) dsub <- lightgbm::slice(dtrain, 1:42) labels <- lightgbm::getinfo(dsub, "label") } }