Re: [R] Using mixed models to analyze Longitudinal intervention

2011-08-18 Thread Daniel Malter
It looks like it. However, you provide very little information. Do you have measurements before and after the intervention and did the intervention occur at the same point in time for all treated? If so, you could do a simple difference in differences estimation. HTH, Daniel Troy S wrote: > > D

[R] Using mixed models to analyze Longitudinal intervention

2011-08-18 Thread Troy S
Dear R List, I am trying to use mixed models to analyze an intervention and want to make sure I am doing it correctly. The intervention is for lowing cholesterol and there are two groups: one with an intervention and one without. The subjects were evaluated a differing amount of time, so there w