% Generated by roxygen2 (4.1.0): do not edit by hand % Please edit documentation in R/setinfo.xgb.DMatrix.R \docType{methods} \name{setinfo} \alias{setinfo} \alias{setinfo,xgb.DMatrix-method} \title{Set information of an xgb.DMatrix object} \usage{ setinfo(object, ...) \S4method{setinfo}{xgb.DMatrix}(object, name, info) } \arguments{ \item{object}{Object of class "xgb.DMatrix"} \item{...}{other parameters} \item{name}{the name of the field to get} \item{info}{the specific field of information to set} } \description{ Set information of an xgb.DMatrix object } \details{ It can be one of the following: \itemize{ \item \code{label} \item \code{weight} \item \code{base_margin} \item \code{group} } } \examples{ data(agaricus.train, package='xgboost') train <- agaricus.train dtrain <- xgb.DMatrix(train$data, label=train$label) labels <- getinfo(dtrain, 'label') setinfo(dtrain, 'label', 1-labels) labels2 <- getinfo(dtrain, 'label') stopifnot(all(labels2 == 1-labels)) }