[R-meta] Testing multicollinearity between categorical predictors

[Rafael Rios]

Dear Wolfgang and All,

Is there a good method for testing multicollinearity between categorical
predictors in meta-regression? I ran a mixed-effects MLMA using two
categorical predictors and their interaction as moderators, but a Referee
requested a test of multicollinearity. I did not find a good approach to
solve this problem. Thank you in advance.

Best wishes,
_______________________________________________________

*Prof. Dr. Rafael Rios Moura*

*sciencia amabilis *
Coordenador de Pesquisa e do NEPEE/CNPq
Laboratório de Ecologia e Zoologia (LEZ)
UEMG - Unidade Ituiutaba

ORCID: http://orcid.org/0000-0002-7911-4734
Currículo Lattes: http://lattes.cnpq.br/4264357546465157
<http://orcid.org/0000-0002-7911-4734>
<http://lattes.cnpq.br/4264357546465157>
<http://lattes.cnpq.br/4264357546465157>Research Gate:
https://www.researchgate.net/profile/Rafael_Rios_Moura2
<http://orcid.org/0000-0002-7911-4734>
Rios de Ciência: https://www.youtube.com/channel/UCu2186wIJKji22ai8tvlUfg
<http://orcid.org/0000-0002-7911-4734>

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