[R] autocorrelation by group in mixed model

From: Irene Mantzouni <ima_at_difres.dk>
Date: Fri, 11 Jan 2008 17:41:44 +0100


Hi all!  

(How) is it possible to fit a mixed model with group specific auto-correlation structure ? For instance, not all my groups display auto-correlation so I would like to use a corMatrix (corAR1) only for the auto-correlated ones. If I construct manually a the corMatrix, is it possible to use it as input somehow?  

thank you!  

Irene



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