Have you thought of using split.screen instead? Something like might work for you:
split.screen(c(1,1)) split.screen(c(3,4), 1) for (i in 1:12) { screen(i+1) par(mar=c(2,2,4,2)) plot(1:20,rnorm(20),xlab="",ylab="") } screen(1) title("Overall title") On 23/10/06, Dan Chan <[EMAIL PROTECTED]> wrote: > Hi, > > > > I plotted 12 graphs on a page and output to a png file. I wanted to > have an overall title for all 12 graphs. What command can I use to do > this? Below is the code that plotted the 12 graphs in one page. > > > > # FM10 by Month/ Export the plot to Wash2005FM10.png > > png(file="Wash2005FM10.png",bg="white") > > par(mfrow = c(3,4)) > > # Plot 12 Month of OFM10, FFM10 > > for(i in 1:12) { > > Temp <- subset (Wash2005, MM == i) > > plot (Temp$FM10.1, > Temp$FM10,main=month.name[i],xlim=c(5,25),ylim=c(5,25)) > > } > > text(10,10, "Overall Title") 'This will plot "Overall Title" at > coordinate (10,10) on the last graph, and so it is not what I want. > > dev.off() > > > > Thank you. > > > > Daniel Chan > > Meteorologist > > Georgia Forestry Commission > > P O Box 819 > > Macon, GA > > 31202 > > Tel: 478-751-3508 > > Fax: 478-751-3465 > > > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch 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. > -- ================================= David Barron Said Business School University of Oxford Park End Street Oxford OX1 1HP ______________________________________________ R-help@stat.math.ethz.ch 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.