Hi,
    I am running R on my iBook (OS X 10.4) and whenever I try and plot a
model that has been run, I get a grey background.  This makes the plot
difficult to read on b&w printouts.  I have tried changing the background to
white (or any other color) without any success.  Here's a current example

plot(augPred(m2corn.nlme, level=0:1), bg="transparent", lty=c(1,4), pch=19,
cex=.75,new=TRUE)
plot(augPred(m3corn.nlme, level=0:1), lty=c(1,4), pch=19, new=TRUE)

Notice that if I run this code at the same time, there are some par
arguments that work as I would expect and others that seem to have no
effect.  For example, bg="transparent" and new=TRUE both seem to be
ignored.  This is annoying because teh grey background makes light colors
difficult to see. Additionally, I would like new=TRUE to work so that I can
actually create these two plots at the same time.  Any ideas on how to get
this to work?

--
Peter Rich
peterich@uga.edu
706-542-4508
Graduate Research Assistant
Instructional Technology
University of Georgia
Athens, GA, USA
30605

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