>>>>> johnhj <jhar...@web.de> wrote:
> Can you also describe me how to describe the standard
> deviation of the boxplots/matrices ?
Try tapply:
> x <-read.table(file="test.txt")
> x$group <- rep(1:8, each=5)
> boxplot(V3~gruppe, data=x)
with(x, tapply(V3, gruppe, sd))
Mike
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