[R-sig-ME] Question on random effect

[Joaquín Aldabe]

Hi all, when working with mixed models, do the levels of the random effect
have to be independent? For example, if my random effect is the identity of
sites and it is associated to the intercept, do sites have to be
independent?

I appreciate comments and bibliographic references.

Thank you very much in advanced,

Joaquin

-- 
*Joaquín Aldabe*

*Grupo Biodiversidad, Ambiente y Sociedad*
Centro Universitario de la Región Este, Universidad de la República
Ruta 15 (y Ruta 9), Km 28.500, Departamento de Rocha

*Departamento de Conservación*
Aves Uruguay
BirdLife International
Canelones 1164, Montevideo

https://sites.google.com/site/joaquin.aldabe
<https://sites.google.com/site/perfilprofesionaljoaquinaldabe>




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