[R] xyplot background color

From: Nathan Vandergrift <vanderg_at_mail.fpg.unc.edu>
Date: Fri 01 Sep 2006 - 14:27:00 GMT

I've been unable to solve this problem using all sorts of variants of trellis.par.set, or par.settings within xyplot.

I need this plot not to be transparent, so when I drop the .ps into LaTeX it shows up on my black slides.


traj.female<-read.delim("d:\TRAfemales.dat", header = TRUE, sep = "\t")

#This is the key to getting the right legend
trellis.par.set(superpose.line=list(lty=c(1,2,1,2,1,2),col=c(1,1,2,2,3,3))) trellis.par.set(background=list("gray"))

# This works

female.traj<-xyplot(TRA~Grade, data=traj.female, groups=Group,

            type="l", lwd=2,
            auto.key = list(
                points= FALSE,
                x = .25, y = .7, corner = c(0, 0), border=TRUE),
            xlab="Grade", ylab="TRA",


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