quick "points" question
On Tue, 27 Sep 2005, Richard Nixon wrote:
Hi
Just one of those niggles.......
I've just been trying to plot a filled circle.
I thought that this would do it
plot(1,1,type="n")
points(1,1,pch=1,bg="blue",cex=5)
#bg: background ("fill") color for open plot symbols
But I need to do this instead
points(1.2,1,pch=19,col="blue",cex=5)
Am I misunderstanding the "bg" option in the points function?
Yes. See the examples. pch=1 is not an `open plot symbol': 21-25 are. So in your case points(1.3, 1, pch=21, col="blue", bg="red", cex=5) may be illuminating.
Brian D. Ripley, ripley at stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595