Nothing
# Simple interface for training an xgboost model that wraps \code{xgb.train}.
# Its documentation is combined with xgb.train.
#
#' @rdname xgb.train
#' @export
xgboost <- function(data = NULL, label = NULL, missing = NA, weight = NULL,
params = list(), nrounds,
verbose = 1, print_every_n = 1L,
early_stopping_rounds = NULL, maximize = NULL,
save_period = NULL, save_name = "xgboost.model",
xgb_model = NULL, callbacks = list(), ...) {
merged <- check.booster.params(params, ...)
dtrain <- xgb.get.DMatrix(data, label, missing, weight, nthread = merged$nthread)
watchlist <- list(train = dtrain)
bst <- xgb.train(params, dtrain, nrounds, watchlist, verbose = verbose, print_every_n = print_every_n,
early_stopping_rounds = early_stopping_rounds, maximize = maximize,
save_period = save_period, save_name = save_name,
xgb_model = xgb_model, callbacks = callbacks, ...)
return (bst)
}
#' Training part from Mushroom Data Set
#'
#' This data set is originally from the Mushroom data set,
#' UCI Machine Learning Repository.
#'
#' This data set includes the following fields:
#'
#' \itemize{
#' \item \code{label} the label for each record
#' \item \code{data} a sparse Matrix of \code{dgCMatrix} class, with 126 columns.
#' }
#'
#' @references
#' https://archive.ics.uci.edu/ml/datasets/Mushroom
#'
#' Bache, K. & Lichman, M. (2013). UCI Machine Learning Repository
#' [http://archive.ics.uci.edu/ml]. Irvine, CA: University of California,
#' School of Information and Computer Science.
#'
#' @docType data
#' @keywords datasets
#' @name agaricus.train
#' @usage data(agaricus.train)
#' @format A list containing a label vector, and a dgCMatrix object with 6513
#' rows and 127 variables
NULL
#' Test part from Mushroom Data Set
#'
#' This data set is originally from the Mushroom data set,
#' UCI Machine Learning Repository.
#'
#' This data set includes the following fields:
#'
#' \itemize{
#' \item \code{label} the label for each record
#' \item \code{data} a sparse Matrix of \code{dgCMatrix} class, with 126 columns.
#' }
#'
#' @references
#' https://archive.ics.uci.edu/ml/datasets/Mushroom
#'
#' Bache, K. & Lichman, M. (2013). UCI Machine Learning Repository
#' [http://archive.ics.uci.edu/ml]. Irvine, CA: University of California,
#' School of Information and Computer Science.
#'
#' @docType data
#' @keywords datasets
#' @name agaricus.test
#' @usage data(agaricus.test)
#' @format A list containing a label vector, and a dgCMatrix object with 1611
#' rows and 126 variables
NULL
# Various imports
#' @importClassesFrom Matrix dgCMatrix dgeMatrix
#' @importFrom Matrix colSums
#' @importFrom Matrix sparse.model.matrix
#' @importFrom Matrix sparseVector
#' @importFrom Matrix sparseMatrix
#' @importFrom Matrix t
#' @importFrom data.table data.table
#' @importFrom data.table is.data.table
#' @importFrom data.table as.data.table
#' @importFrom data.table :=
#' @importFrom data.table rbindlist
#' @importFrom data.table setkey
#' @importFrom data.table setkeyv
#' @importFrom data.table setnames
#' @importFrom jsonlite fromJSON
#' @importFrom jsonlite toJSON
#' @importFrom utils object.size str tail
#' @importFrom stats predict
#' @importFrom stats median
#' @importFrom utils head
#' @importFrom graphics barplot
#' @importFrom graphics lines
#' @importFrom graphics points
#' @importFrom graphics grid
#' @importFrom graphics par
#' @importFrom graphics title
#' @importFrom grDevices rgb
#'
#' @import methods
#' @useDynLib xgboost, .registration = TRUE
NULL
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.