[R] legend at fixed distance form the bottom

[Gabor Grothendieck]

inset= is measured from the margin so the trick is to inset it relative to the
top even if you want it at the bottom:

legend("top", pch = unique(listSymboles), legend = c("ane", "cheval",
"poney", "mule"),
  inset = c(0,1.1), horiz = TRUE, xpd = NA)

On Fri, Dec 5, 2008 at 8:39 AM, Christophe Genolini
<cgenolin at u-paris10.fr> wrote:
> Hi the list
>
> I would like to add a legend under a graph but at a fixed distance from the
> graphe. Is it possible ?
> More precisely, here is my code :
>
> --- 8< ----
> symboles <- c(3,4,5,6)
> dn <- rbind(matrix(rnorm(20),,5),matrix(rnorm(20,2),,5))
> listSymboles <- rep(symboles,each=2)
> matplot(t(dn),pch=listSymboles,type="b")
> legend("bottom", pch = unique(listSymboles), legend = c("ane", "cheval",
> "poney", "mule"), inset = c(0,-0.175), horiz = TRUE, xpd = NA)
> --- 8< ----
>
> But when I change the size of the graph, the legend is misplaced.
>
> Instead, I try to put some text in xlab, but I do not know how to get the +,
> x , V and other symbol.
> Does anyone got a solution ?
>
> Thanks a lot.
>
> Christophe
>
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