Mixed model parameterization
Dear list members, I am measuring an index in plots, in different hours, different days, and different months in 3 different "habitats". 12 plots by "habitats". I would like to estimate the mean index in the 3 environments. Is this model appropriate to achieve my goal? model <- lmer(index ~ habitat + (1 | plot/hour/day/month), data = mydata, REML = FALSE) Best, Manuel
*Manuel Sp?nola, Ph.D.* Instituto Internacional en Conservaci?n y Manejo de Vida Silvestre Universidad Nacional Apartado 1350-3000 Heredia COSTA RICA mspinola at una.cr <mspinola at una.ac.cr> mspinola10 at gmail.com Tel?fono: (506) 8706 - 4662 Personal website: Lobito de r?o <https://sites.google.com/site/lobitoderio/> Institutional website: ICOMVIS <http://www.icomvis.una.ac.cr/> [[alternative HTML version deleted]]