[R] ggplot2: recommended workaround for broken legend.position="top"

Zeljko Vrba zvrba at ifi.uio.no
Sun May 10 17:32:31 CEST 2009

Searching the mail archives I found that using legend.position as in
p.ring.3 + opts(legend.position="top")

is a known bug.  I tried doing
p.ring.3 + opts(legend.position=c(0.8, 0.2))

which works, but the legend background is transparent, i.e. I see the
plot background through the legend.  Adding additional option


fills the whole rectangle black(!), making text invisible, but leaves the shape
symbols visible.

So, how can I obtain a graph with legend positioned within the plot boundaries
(that's OK, I don't even mind manually positioning the legend), but on a white
background, i.e., so that the plot underneath is not visible?


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