scatterplot matrix in R packages 산점도 행렬

CAR

http://www.r-graph-gallery.com/99-scatterplot-matrix-car-package/

ggplot+plotmatrix

GGally

library(GGally)
ggpairs(iris[,1:4])

ggcorplot

ggcorplot(
  data = iris[1:4],
  var_text_size = 5,
  cor_text_limits = c(5,10))

Five ways to visualize your pairwise comparisons

https://www.r-bloggers.com/five-ways-to-visualize-your-pairwise-comparisons/