[R] Need help with boxplots

[Gabor Grothendieck]

And if you really do want a line segment try this:

M <- c(mean(a), mean(b))
segments(1:2-0.4, M, 1:2+0.4, M, col = "red")


On 9/26/06, Gabor Grothendieck <ggrothendieck at gmail.com> wrote:
> To prevent confusion you might want to use a red dot rather than
> a line:
>
>   points(1:2, c(mean(a), mean(b)), col = "red")
>
> and perhaps label it since its non-standard:
>
>   text(1:2, c(mean(a), mean(b)), "Mean", pos = 4)
>
> On 9/26/06, laba diena <juscio at gmail.com> wrote:
> > How to add a mean line in the boxplot keeping the median line ?
> > For example in this:
> >
> >
> > set.seed(1)
> >
> > a <- rnorm(10)
> >
> > b <- rnorm(10)
> >
> > boxplot(a, b)
> >
> >        [[alternative HTML version deleted]]
> >
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