Dear list members, I am fitting a repeated measures mixed model in R. I have a response variable (continuous) with 4 treatments. Each treatment has 4 plots, and each plot was divided in 4 subplots. The variable was measured 5 times (occasions). My attempt is: mod <- lmer(response variable ~ occasion * treatment + (occasion | plot/subplot) Is the model parameterization correct? 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]]