Message-ID: <89eec506-6cc3-34a6-fad1-132bfdb9a18d@dewey.myzen.co.uk>
Date: 2022-03-22T13:25:46Z
From: Michael Dewey
Subject: [R-meta] Determining if an rma.mv model is singular
In-Reply-To: <CA+Tgogp=K8cgwt9d+ohvYctPqiHKz=eAHuzkw2Gpz=wtOc3t4Q@mail.gmail.com>
Dear Stefanou
Would it not be simplest just to fit the models and see what happens?
You are not going to break anything.
Michael
On 22/03/2022 00:50, Stefanou Revesz wrote:
> Dear Wolfgang and list members,
>
> Is there any function or code for rma.mv models that would work like
> lme4::isSingular()?
>
> I ask this because, given a fixed number of moderators, I sometimes
> want to empirically explore how much room for adding random effects in
> rma.mv I have before my model becomes singular but I don't know how to
> do that.
>
> Thank you so much,
> Stefanou
>
> _______________________________________________
> R-sig-meta-analysis mailing list @ R-sig-meta-analysis at r-project.org
> To manage your subscription to this mailing list, go to:
> https://stat.ethz.ch/mailman/listinfo/r-sig-meta-analysis
>
--
Michael
http://www.dewey.myzen.co.uk/home.html