[R] Longitudinal analysis: contrasting time points

Hi everyone I have the following situation: In a longitudinal study, subjects fill out a questionnaire every year (repeated measurements over time). Also, the subjects are nested within departments. There is an intervention going on over time. The outcome variable is continuous. Now I'd like

Re: [R] Longitudinal analysis: contrasting time points

Tukey -Oorspronkelijk bericht- Van: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Namens denis.ay...@unibas.ch Verzonden: dinsdag 23 februari 2010 9:27 Aan: r-help@r-project.org Onderwerp: [R] Longitudinal analysis: contrasting time points Hi everyone I