R calculates

AIC = -2*loglik + 2*(#param)

but you probably missed the variance parameter when counting the parameters.

Jens Schumacher
--

--------------------------------------------
Dr. Jens Schumacher
Max-Planck-Institut f. Biogeochemie
Winzerlaer Str. 10
D-07745 Jena
Germany

Tel: +49 (0)3641/576181
Fax: +49 (0)3641/577100
email: [EMAIL PROTECTED]

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