% Generated by roxygen2 (4.0.1): do not edit by hand \name{slice} \alias{slice} \title{Get a new DMatrix containing the specified rows of orginal xgb.DMatrix object} \usage{ slice(object, ...) } \arguments{ \item{object}{Object of class "xgb.DMatrix"} \item{idxset}{a integer vector of indices of rows needed} } \description{ Get a new DMatrix containing the specified rows of orginal xgb.DMatrix object } \examples{ data(iris) iris[,5] <- as.numeric(iris[,5]) dtrain <- xgb.DMatrix(as.matrix(iris[,1:4]), label=iris[,5]) dsub <- slice(dtrain, 1:3) }