It is not clear (at least to me) what exactly you want. You want two forest plots "in one graph" but apparently not side-by-side or one on top and the other on the bottom. So, you want to superimpose them? How do you want to do that without creating an illegible mess? Or do you want one graph, where you can scroll through various plots? Then try this:
library(metafor) data(dat.bcg) if (interactive()) { windows(record=TRUE) dat <- escalc(measure="RR", ai=tpos, bi=tneg, ci=cpos, di=cneg, data=dat.bcg) forest(dat$yi, dat$vi) dat <- escalc(measure="OR", ai=tpos, bi=tneg, ci=cpos, di=cneg, data=dat.bcg) forest(dat$yi, dat$vi) } and then use PageUp and PageDown to switch between the figures. (I don't know what OS you are using, so windows() may not work). Best, -- Wolfgang Viechtbauer Department of Psychiatry and Neuropsychology School for Mental Health and Neuroscience Maastricht University, P.O. Box 616 6200 MD Maastricht, The Netherlands Tel: +31 (43) 368-5248 Fax: +31 (43) 368-8689 Web: http://www.wvbauer.com > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > On Behalf Of Samor Gandhi > Sent: Monday, April 11, 2011 18:25 > To: r-h...@stat.math.ethz.ch > Subject: [R] forest + igraph ? > > Hello, > > Is it possible to have two meta-plots in one graph (not par(mfrow=c(2,1))? > But somthing like > > library(metafor) > library("igraph") > > if (interactive()) { > forest(dat.Treat$RR, ci.lb=dat.Treat$lower, ci.ub=dat.Treat$upper, > xlab="Relative Risk",slab=dat.Treat$ID,refline=1) > forest(dat.Control$RR, ci.lb=dat.Control$lower, > ci.ub=dat.Control$upper, xlab="Relative > Risk",slab=dat.Control$ID,refline=1) > } > > i.e. both metaplots on the same graph! > > Regards, > Samor ______________________________________________ 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.