[R] degrees of freedom

From: gabriela escati peñaloza <gescati_at_yahoo.com.ar>
Date: Tue 31 Jan 2006 - 05:55:15 EST


Dear Dr. Bates,
Thank you very much for your response. I had consulted the algorithm described in Pinheiro and Bates. However, what I don't understand (among other things) is why my two parameters appear to be estimated at different grouping levels (based on the DF values). Affect this different values of DF at the estimates parameters? The estimates fixed effects were get at the same level of grouping?
I apreciate any response.

Lic. Gabriela Escati Peñaloza
Biología y Manejo de Recursos Acuáticos
Centro Nacional Patagónico(CENPAT).
CONICET
Bvd. Brown s/nº.
(U9120ACV)Pto. Madryn
Chubut
Argentina

Tel: 54-2965/451301/451024/451375/45401 (Int:277) Fax: 54-29657451543



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