[R-meta] Intraclass correlation

Rafael Rios biorafaelrm at gmail.com
Fri Sep 29 21:59:07 CEST 2017

Dear metanalysts,

I'm conducting a meta-analysis involving almost 300 species. However, I had
problems in insert a phylogenetic correlation matrix in the function rma.mv.
Dr. Wolfgang is helping me, but I was wondering if I can calculate
intraclass correlation (ICC) to evaluate the necessity to conduct a
phylogenetic metanalysis. The ICC is calculated using the species variance
divided by the same value plus the residual variance. When I conduct mixed
models using function rma.mv, I can vizualize the variance of the random
variables. However, I did not find the residual variance. Do you may
clarify how may I calculate ICC using metafor package? And how may I obtain
values of residual variance? Any help is welcome.

Best wishes,

Rafael R. Moura.
*scientia amabilis*

Doutorando da Pós-graduação em Ecologia e Conservação de Recursos Naturais
Universidade Federal de Uberlândia, Uberlândia, MG, Brasil

ORCID: http://orcid.org/0000-0002-7911-4734
Currículo Lattes:
Research Gate: https://www.researchgate.net/profile/Rafael_Rios_Moura2


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