2007/10/19, Gabor Grothendieck <ggrothendieck@gmail.com>:
>
> Try this:
>
> boxplot(1:10)
> abline(h = 4, col = "red")


Have tried it, I only get the boxplot, no red line.

It works on the plotte images.

That is why I asked the question here on the list.



-- 
Klaus F. Østergaard, <farremosen(at)gmail dot com>

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