[R] remove more uses of default values in internal functions (#9476)

2023-08-14 09:18:33 -05:00
parent 2c84daeca7
commit e3f624d8e7
4 changed files with 16 additions and 4 deletions
--- a/R-package/R/xgb.ggplot.R
+++ b/R-package/R/xgb.ggplot.R
@@ -183,7 +183,7 @@ normalize <- function(x) {
 # ... the plots
 # cols number of columns
 # internal utility function
-multiplot <- function(..., cols = 1) {
+multiplot <- function(..., cols) {
  plots <- list(...)
  num_plots <- length(plots)