[R] Need help with boxplots

[Gabor Grothendieck]

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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