[R-meta] Testing multicollinearity between categorical predictors
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 Laborat?rio de Ecologia e Zoologia (LEZ) UEMG - Unidade Ituiutaba ORCID: http://orcid.org/0000-0002-7911-4734 Curr?culo 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 Ci?ncia: https://www.youtube.com/channel/UCu2186wIJKji22ai8tvlUfg <http://orcid.org/0000-0002-7911-4734>