Hi
On 19/07/2010 9:17 p.m., Eleni Rapsomaniki wrote:
Hi,
Is there some easy way to split the grid.newpage() into two columns?
For example, how could I put the two forest plots below (meta1 and
meta2) next to each other?
library(meta) data(Olkin95)
meta1<- metabin(event.e, n.e, event.c, n.c,data=Olkin95,
subset=c(41,47,51,59),sm="RR", meth="I",studlab=author) meta2=meta1
meta2$studlab=rep("",length(meta1$studlab) ) #deleting the labels for
the second plot
grid.newpage() forest(meta1, comb.fixed=F, comb.random=F,
rightcols="effect",leftcols="studlab") forest(meta2, comb.fixed=F,
comb.random=TRUE, leftcols="studlab",leftlabs="")
#they are superimposed... which is not what I want.
Any hints/ideas much appreciated!
Try this ...
grid.newpage()
pushViewport(viewport(x=0, width=.5, just="left"))
forest(meta1, comb.fixed=F, comb.random=F,
rightcols="effect",leftcols="studlab",
new=FALSE)
popViewport()
pushViewport(viewport(x=.5, width=.5, just="left"))
forest(meta2, comb.fixed=F, comb.random=TRUE,
leftcols="studlab",leftlabs="",
new=FALSE)
popViewport()
... and NOTE the 'new=FALSE' in the calls to forest(). Depending on how
large your final plot is, you will probably also have to play with the
'plotwidth' and 'colgap' arguments to forest() (see ?forest.meta).
Paul
Many thanks
Eleni Rapsomaniki Research Associate Department of Public Health and
Primary Care University of Cambridge
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