32 lines
751 B
R
32 lines
751 B
R
% Generated by roxygen2 (4.1.1): do not edit by hand
|
|
% Please edit documentation in R/slice.xgb.DMatrix.R
|
|
\docType{methods}
|
|
\name{slice}
|
|
\alias{slice}
|
|
\alias{slice,xgb.DMatrix-method}
|
|
\title{Get a new DMatrix containing the specified rows of
|
|
orginal xgb.DMatrix object}
|
|
\usage{
|
|
slice(object, ...)
|
|
|
|
\S4method{slice}{xgb.DMatrix}(object, idxset, ...)
|
|
}
|
|
\arguments{
|
|
\item{object}{Object of class "xgb.DMatrix"}
|
|
|
|
\item{...}{other parameters}
|
|
|
|
\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(agaricus.train, package='xgboost')
|
|
train <- agaricus.train
|
|
dtrain <- xgb.DMatrix(train$data, label=train$label)
|
|
dsub <- slice(dtrain, 1:3)
|
|
}
|
|
|