*disclaimer
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ggpubr
きれいなグラフ作成
https://cran.r-project.org/web/packages/ggpubr/readme/README.html
https://rpkgs.datanovia.com/ggpubr/
http://www.sthda.com/english/articles/24-ggpubr-publication-ready-plots/
install.packages("ggpubr") library(ggpubr)
https://sugiura-ken.org/wiki/