Dear Brian, thank you for helping. You are right, I was not aware of these two different meaning of bg. I will have a closer look to those help pages (whereas I've consulted these pages before I have written the question, but didnt realized the difference).
Best regards Daniel Prof Brian Ripley schrieb: > 'bg' is both a graphics parameter and an argument to plot.default: the > two usages have different meanings. Please study the help (e.g. ?par, > ?plot.default, ?points) carefully, since you are confusing the two > meanings in your examples. > > On Mon, 14 Jan 2008, Daniel Stepputtis wrote: > >> Dear list, >> >> I am using R 2.6 on a Windows XP machine. >> >> I divided my device window and tried to set the backgroundcolor for >> each plot region/figure region separately. This seems not possible?? A >> simple example: >> >> # create random numbers >> a <- rnorm(100) >> # divide device window >> par(mfrow=c(1,2)) >> # set the backgroundcolour to "red" >> # this always affect the total device > > Yes, as documented. > >> par(bg="red") >> #two plots should be plotted >> plot(a) >> hist(a) >> >> >> I have tried to call "bg" within the high-level-graphic function >> (plot(bg="red")). Whereas there was no error-message, this has no >> effect on the background of this singe plot. >> >> I found a meaningfull answer I have found here: >> http://finzi.psych.upenn.edu/R/Rhelp02a/archive/21384.html but I was >> wondering, whether there is a more easy and explicit way to do it >> directly for a given plot in a multiplot environment. Are there >> possibilities to do it specifically for the complete figure region or >> solely for the complete plot region? > > Yes, but this would be part of the figure whereas what par(bg=) does is > not. So it's down to you to colour the box you want, most easily with > rect() as Marc showed in the post you cite. > ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
