Not precisely what you asked for but see the notch= argument to boxplot for a graphic measure of variability. If you simply wish to print certain statistics below the numbers already on the X axis then see:
https://stat.ethz.ch/pipermail/r-help/2008-January/152994.html On Feb 4, 2008 10:41 AM, Tom Cohen <[EMAIL PROTECTED]> wrote: > Dear list, > > How can I add the mean and standard deviation to each of the boxplots using > the example provided in the boxplot function? > > boxplot(len ~ dose, data = ToothGrowth, > boxwex = 0.25, at = 1:3 - 0.2, > subset = supp == "VC", col = "yellow", > main = "Guinea Pigs' Tooth Growth", > xlab = "Vitamin C dose mg", > ylab = "tooth length", ylim = c(0, 35), yaxs = "i") > boxplot(len ~ dose, data = ToothGrowth, add = TRUE, > boxwex = 0.25, at = 1:3 + 0.2, > subset = supp == "OJ", col = "orange") > legend(2, 9, c("Ascorbic acid", "Orange juice"), > fill = c("yellow", "orange")) > > Thanks for any help, > Tom > > > --------------------------------- > > Jämför pris på flygbiljetter och hotellrum: > http://shopping.yahoo.se/c-169901-resor-biljetter.html > [[alternative HTML version deleted]] > > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
