R言語はggplot2箱ひげ図の色を変更します

library(ggplot2)

ch <- ggplot(chickwts,aes(x=feed,y=weight,fill=feed))+
  geom_boxplot()

ch

# Assign custom color
ch+scale_fill_manual(values=c("#999999",
                              "purple",
                              "#33FFFF",
                              "red",
                              "green",
                              "brown"))

# Assign brewer color
ch+scale_fill_brewer(palette="Dark2")

ch+scale_fill_brewer(palette="Set1")

ch+scale_fill_brewer(palette="Set2")

ch+scale_fill_brewer(palette="Set3")

ch+scale_fill_brewer(palette="Paired")

ch+scale_fill_brewer(palette="Blues")

ch+scale_fill_brewer(palette="Greens")

ch+scale_fill_brewer(palette="PiYG")

ch+scale_fill_brewer(palette="BrBG")

ch+scale_fill_brewer(palette="PRGn")

ch+scale_fill_brewer(palette="PuOr")

ch+scale_fill_brewer(palette="Reds")

ch+scale_fill_brewer(palette="Oranges")

ch+scale_fill_brewer(palette="Purples")

ch+scale_fill_brewer(palette="PuRd")

ch+scale_fill_brewer(palette="PuBuGn")

ch+scale_fill_brewer(palette="Greys")

ch+scale_fill_brewer(palette="BuPu")

ch+scale_fill_brewer(palette="GnBu")

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リファレンス: https://geek-docs.com/r- language/ r-tutorials/g_change-color-of- ggplot2-boxplot-in-r.html