[R-meta] question on multilevel model results

[Gabriel Cotlier]

Dear Michael,
Yes, Thank you!!
It is indeed very useful for I^2 in multilevel models.
But I was also wondering how to obtain Tau and Tau-squared in multilevel
models?
And if such a thing is possible?
Kind regards,
Gabriel




On Thu, Jul 27, 2023 at 1:22 PM Michael Dewey <lists using dewey.myzen.co.uk>
wrote:

> Dear Gabriel
>
> Does
> http://www.metafor-project.org/doku.php/tips:i2_multilevel_multivariate
> help?
>
> Michael
>
> On 27/07/2023 08:18, Gabriel Cotlier via R-sig-meta-analysis wrote:
> > Hello all,
> >
> > I would like to ask why, conversely, rma() objects for rma.mv() objects
> > (with and without moderators ) in the summary report do not provide
> values
> > of heterogeneity measures besides Cohen's *Q* such as "tau/hat/ square"
> or
> > "tau/square" or H^2?
> >
> > Is this maybe because this type of model (rma.mv()) does not allow the
> > estimation of these measures?
> >
> > Alternately, could they be calculated separately for rma.mv() objects?
> > If so, is there a code for doing this ?
> >
> > Thanks a lot.
> > Kind regards,
> > Gabriel
> >
> >       [[alternative HTML version deleted]]
> >
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>
> --
> Michael
> http://www.dewey.myzen.co.uk/home.html
>

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