[R-meta] : Metafor package, Omnibus test

[Annika Vater]

 Dear Wolfgang, dear Michael,

thanks so much for your answers!
That helps :)

Best,
Annika

2018-07-25 0:04 GMT+02:00 Viechtbauer, Wolfgang (SP) <
wolfgang.viechtbauer using maastrichtuniversity.nl>:

> Dear Annika,
>
> It is indeed a Wald-type test. See also:
>
> http://www.metafor-project.org/doku.php/tips:testing_factors_lincoms
>
> Best,
> Wolfgang
>
> -----Original Message-----
> From: R-sig-meta-analysis [mailto:r-sig-meta-analysis-
> bounces using r-project.org] On Behalf Of Michael Dewey
> Sent: Monday, 23 July, 2018 16:46
> To: Annika Vater; r-sig-meta-analysis using r-project.org
> Subject: Re: [R-meta] : Metafor package, Omnibus test
>
> Annika Vater <annika.vater using googlemail.com> wrote :
>
> Dear Annika
>
> You could always experiment with anova.rma() which specifies what sort of
> test it is doing. Given the documentation for anova.rma I suspect the
> answer to your question is Wald-type but you can reassure yourself with an
> experiment.
>
> Michael
>
> > Dear all,
> >
> > I have a question regarding the metafor package.
> > For the Test of Moderators there is reported a value for QM and a
> p-value.
> > In the Documentation it's written that the test used is an Omnibus Test
> of
> > Parameters - but it's not clear if it's a Wald-Test or a
> > Likelihood-Ratio-Test.
> > Could you tell me which test is used?
> > I assume it's a Wald-Test, but am not sure at all.
> >
> > Thank you for supporting in advance!
> > All the best,
> > Annika
>

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