From: Patrick Lorch <plorch_at_email.unc.edu>

Date: Sat 17 Jul 2004 - 07:32:45 EST

R-help@stat.math.ethz.ch mailing list

https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Jul 17 07:42:07 2004

Date: Sat 17 Jul 2004 - 07:32:45 EST

Hello all,

I am trying to use xyplot to give a six panel plot and to highlight only points (in any panel) that meet a certain criterion. With the plot command I would do something like:

plot.default(filein$Site,filein$circ.conc) points(filein$Site,filein$circ.conc,type="p", pch=ifelse(filein$p.value<5e-02,19,21))I had thought I could just stick in the pch line from above into either xyplot or xYplot with groups set to Site like:

xyplot(circ.conc~Day|Site,data=allsites.byday,groups=Site, pch=ifelse(allsites.byday$p.value<5e-02,19,21)) This does not produce any highlighting (all symbols come out as open circles (19)). I have not messed with writing my own panel functions, though I know that is where the solution must lie. Hopefully someone has an example that is close enough to help me. I can send an example plot to anyone that wants one.

Thanks, -Pat

Dr. Patrick D. Lorch

plorch@email.unc.edu http://www.unc.edu/~plorch/lorch.html Department of Biology W: 919-843-2320University of North Carolina F: 919-962-1625

at Chapel Hill

CB#3280, Coker Hall

Chapel Hill, NC 27599-3280

**USA
**

R-help@stat.math.ethz.ch mailing list

https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Sat Jul 17 07:42:07 2004

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