Lol.
To me, a "fixed amount" that depends on the size of the graph is not
much fixed...
--- 8< ---
symboles <- c(3,4,5,6)
dn <- rbind(matrix(rnorm(20),,5),matrix(rnorm(20,2),,5))
listSymboles <- rep(symboles,each=2)
layout(matrix(c(1,1,1,2,2,3),3))
for(i in 1:3){
plot(dn)
legend("top", pch = unique(listSymboles), legend = c("a", "b","c","d"),inset =
c(0,1.1), horiz = TRUE, xpd = NA)
}
--- 8< ---
On this example, it is easy to see that index is at a fixed distance
from the bottom but that Legend is at a distance "porportional"
I would like to add a legend under a graph but at a fixed distance from the
graphe"
The top of the legend is always a fixed amount below the graph (which is
what you asked for).
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