[R-meta] Extracting residuals from rma.mv function

Viechtbauer, Wolfgang (SP) wo||g@ng@v|echtb@uer @end|ng |rom m@@@tr|chtun|ver@|ty@n|
Fri Dec 11 22:05:30 CET 2020

Unfortunately, I am not familiar with the rptR package, so I can't help with that.


>-----Original Message-----
>From: Rafael Rios Moura [mailto:biorafaelrm using gmail.com]
>Sent: Wednesday, 09 December, 2020 19:00
>To: Viechtbauer, Wolfgang (SP)
>Cc: r-sig-meta-analysis using r-project.org
>Subject: Re: Extracting residuals from rma.mv function
>Dear Wolfgang,
>Thank you very much for the reply. I tried to add standard errors as a fixed
>predictor in the repeatability test, but I obtained these errors:
>Warning messages:
>1: In checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv,:
>unable to evaluate scaled gradient
>2: In checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv,:
>Problem with Hessian check (infinite or missing values?)
>I used an optimizer, but It did not work. I do not know exactly if I need to
>account for standard errors in the repeatability test. It seems that the
>residuals are enough, but I would be grateful if you can share with me your
>thoughts about it. I ran a random-effects multilevel meta-analysis using
>effect size ID, study ID, species ID, and phylogenetic correlations as
>random effects. Then, I extracted standard residuals to use as a response
>variable in the repeatability test using rptR package. The test is a general
>linear mixed model which measures the among-group variance attributed to a
>particular random variable (corresponding to spatial replicates, for
>example) divided by the sum of the within-group residual variance and the
>among-group variance to calculate a R statistic. rpt function of rptR
>package also performs bootstrapping methods to calculate confidence
>intervals and P-values. Do you think that I need to include another variable
>within the repeatability model? Thank you in advance.
>Stoffel et al. 2007:
>All the best,
>Prof. Dr. Rafael Rios Moura
>scientia amabilis
>Núcleo de Extensão e Pesquisa em Ecologia e Evolução (NEPEE)
>Departamento de Ciência Biológicas
>UEMG Ituiutaba
>ORCID: http://orcid.org/0000-0002-7911-4734
>Currículo Lattes: http://lattes.cnpq.br/4264357546465157
>Research Gate: https://www.researchgate.net/profile/Rafael_Rios_Moura2
>Rios de Ciência: https://www.youtube.com/channel/UCu2186wIJKji22ai8tvlUfg

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