[R-meta] adapting forest plot visual
ruecker @end|ng |rom |mb|@un|-|re|burg@de
Thu Jun 4 11:01:52 CEST 2020
To avoid any confusion, I want to add that
- There are the two packages for meta-analysis, meta and metafor.
- Each of them has its own function for creating forest plots.
- Both functions can be called simply using forest(), and this is unique
as long as there is only one package loaded.
- If you have loaded both packages, the function from the later loaded
package is used (because it is first on the search path). To see this,
write for example:
 "package:meta" "package:metafor"
- If both packages are loaded, you can specify the function you want to
use by calling either forest.rma or forest.meta.
- The arguments I recommended were from forest.meta, not from
forest.rma, and therefore will not (necessarily) work in the other package.
- The same holds for some other function names that occur in both
packages (baujat, funnel, labbe, radial, trimfill).
Am 04.06.2020 um 01:12 schrieb Norman DAURELLE:
> Dear all, dear Greta and Michael,
> thank you for your answers, I am indeed using the function forest (or
> forest.rma, which gives the same result I think when I look up the
> documentation through "help") from the package meta.
> I use the rma() function from the metafor package to perform the
> meta-analysis. I have read about the forestplot function from the
> package named the same, and I tried to use it, but the first plot I
> got with it was not that nice, so I went back to digging deeper into
> the forest function from the package meta.
> Special thanks Greta for the advice about the arguments col.study,
> col.square, col.square.lines and col.inside, I was trying to use the
> argument leftcols, without much success.
> Have a nice day !
> ----- Mail d'origine -----
> De: Gerta Ruecker <ruecker using imbi.uni-freiburg.de>
> À: Michael Dewey <lists using dewey.myzen.co.uk>, Norman DAURELLE
> <norman.daurelle using agroparistech.fr>, r-sig-meta-analysis using r-project.org
> Envoyé: Wed, 03 Jun 2020 11:22:15 +0200 (CEST)
> Objet: Re: [R-meta] adapting forest plot visual
> I think he mentioned the meta package, therefore I provided an example
> how to do it in meta. Disclaimer: I have often used it myself ;-)
> Am 03.06.2020 um 11:05 schrieb Michael Dewey:
> > Dear Norman
> > There is a package on CRAN called forestplot which claims to provide
> > comprehensive options for controlling the forest plot so if you cannot
> > find how to do it in your preferred package (which you do not name
> > incidentally) then it might be worth investigating. Disclaimer: I have
> > never used it myself.
> > Michael
> > On 02/06/2020 12:24, Norman DAURELLE wrote:
> >> Dear list,I have now run a meta-analysis based on relationship slopes
> >> between two variables and I am trying to make the forest plot easily
> >> readable and understandable.I used the "order" parameter of the
> >> forest function to order outcomes from lowest estimate on the first
> >> line to highest estimate on the last line, but I would like to
> >> display the outcomes that share a characteristic in the same colour (
> >> for example, all effect-sizes coming from studies conducted in the
> >> same country displayed in one colour ). I have been looking for a way
> >> to do that in the documentation of the forest function of the meta
> >> package, but there are a lot of arguments to that function and I
> >> can't find one that does what I would like to do. It doesn't
> >> necessarily have to be based on colour but if I can change the shape
> >> of the square representing the effect sizes that come from the same
> >> place for example that would also do the trick, even though colour is
> >> more direct.Would you know of a way to do that ? Thank
> > yo
> >> u !Norman
> >> [[alternative HTML version deleted]]
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> Dr. rer. nat. Gerta Rücker, Dipl.-Math.
> Institute of Medical Biometry and Statistics,
> Faculty of Medicine and Medical Center - University of Freiburg
> Stefan-Meier-Str. 26, D-79104 Freiburg, Germany
> Phone: +49/761/203-6673
> Fax: +49/761/203-6680
> Mail: ruecker using imbi.uni-freiburg.de
> Homepage: https://www.uniklinik-freiburg.de/imbi.html
Dr. rer. nat. Gerta Rücker, Dipl.-Math.
Institute of Medical Biometry and Statistics,
Faculty of Medicine and Medical Center - University of Freiburg
Stefan-Meier-Str. 26, D-79104 Freiburg, Germany
Mail: ruecker using imbi.uni-freiburg.de
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