[R-sig-Geo] Differing pch symbols for categorical data in spplot

Lee Hachadoorian Lee.Hachadoorian+L at gmail.com
Mon Dec 20 23:28:49 CET 2010

Sarah, thank you, that worked great.

Dylan, thanks as well. I see you're using the same trick as Sarah in the
relevant argument. The rest of your blog will keep me busy for quite some

Lee Hachadoorian
PhD Student, Geography
Program in Earth & Environmental Sciences
CUNY Graduate Center

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