Monday, November 21, 2011. 14h-16h
Linear mixed-effects models describe the relationship between a continuous response variable and some covariates where at least one of the covariates in the model is a categorical variable. This categorical variable may represent the subject or study location, or more generally, the observational unit. If the discrete levels of this categorical variable are chosen at random this represents a random effects.
Please install the lme4, ggplot2, arm, and MASS packages for R before the start of the workshop. If you are having trouble with this, please come at least 15 minutes early and we will be happy to assist you.
Download slides here.