Thank you for your reply. I would like to have two forest plots one on top and
the other on the bottom. I am using R version 2.12.2 (32-bit) Windows. The code
you sent me still plotting two windows one after the other?
Best wishes and many thanks,
Samor
--- On Tue, 12/4/11, Viechtbauer Wolfgang (STAT)
<wolfgang.viechtba...@maastrichtuniversity.nl> wrote:
From: Viechtbauer Wolfgang (STAT) <wolfgang.viechtba...@maastrichtuniversity.nl>
Subject: RE: [R] forest + igraph ?
To: "r-h...@stat.math.ethz.ch" <r-h...@stat.math.ethz.ch>
Cc: "Samor Gandhi" <samorgan...@yahoo.com>
Date: Tuesday, 12 April, 2011, 13:42
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
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