On Fri, 10 Jun 2011, R Help wrote:
Hello list,
I'm trying to plot nls profiles, but the plot.profile.nls function in
R doesn't seem to accept any plot.default variables. Specifically,
I'd like to be able to change the x-axis title and the colors to black
and white. Has anyone had any luck with this?
If not, is there a way to override to plotting colors, perhaps in par()?
No. The authors hardcoded all these.
Take a copy of the function and modify it to suit your purposes.
Thanks,
Sam
fm1 <- nls(demand ~ SSasympOrig(Time, A, lrc), data = BOD)
pr1 <- profile(fm1, alpha = 0.05)
opar <- par(mfrow = c(2,2), oma = c(1.1, 0, 1.1, 0), las = 1)
plot(pr1, conf = c(95, 90, 80, 50)/100) # works fine
plot(pr1, conf = c(95, 90, 80, 50)/100,xlab=expression(theta),col=1) #
doesn't change
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Brian D. Ripley, rip...@stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
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