CRAN Submission for 0.71.1 (#3311)

* fix for CRAN manual checks

* fix for CRAN manual checks

* pass local check

* fix variable naming style

* Adding Philip's record

R-package/R/callbacks.R

@@ -691,11 +691,6 @@ cb.gblinear.history <- function(sparse=FALSE) {
 #' For an \code{xgb.cv} result, a list of such matrices is returned with the elements
 #' corresponding to CV folds.
 #'
-#' @examples
-#' \dontrun{
-#' See \code{\link{cv.gblinear.history}}
-#' }
-#'
 #' @export
 xgb.gblinear.history <- function(model, class_index = NULL) {
 

R-package/R/xgb.dump.R

@@ -30,7 +30,8 @@
 #' bst <- xgboost(data = train$data, label = train$label, max_depth = 2, 
 #'                eta = 1, nthread = 2, nrounds = 2, objective = "binary:logistic")
 #' # save the model in file 'xgb.model.dump'
-#' xgb.dump(bst, 'xgb.model.dump', with_stats = TRUE)
+#' dump_path = file.path(tempdir(), 'model.dump')
+#' xgb.dump(bst, dump_path, with_stats = TRUE)
 #' 
 #' # print the model without saving it to a file
 #' print(xgb.dump(bst, with_stats = TRUE))