Hi R users, I have a statistical question. If I have two repeated measures models such as, m1, y=u+a+time+a:time+e m2, y=u+b+time+b:time+e How can I compare these two models (such as which one is the better predictor, a or b)? Many Thanks In Advance. Chunhao -- View this message in context: http://n4.nabble.com/Compare-two-repeated-measures-mixed-models-tp974511p974511.html Sent from the R help mailing list archive at Nabble.com.