[R] nlme_varcov matrix

Hi all! Is there a function that provides the VarCov matrix for a nlme objects? How I can extract the matrix for a nlme model fitted? I would appreciate any guidance Regards Lic. Gabriela Escati Peñaloza Biología y Manejo de Recursos Acuáticos Centro Nacional Patagónico(CENPAT). CONICET Bvd

[R] data transformation

message: NaNs produced in: log(x) What is the problem? I do not understand that it is what is bad: the data, the entered growth functions, some specification... I will thank for any contribution of information. Lic. Gabriela Escati Peñaloza Biología y Manejo de Recursos Acuáticos Centro Nacional

[R] problem-nlme

message: NaNs produced in: log(x) What is the problem? I do not understand that it is what is bad: the data, the entered growth functions, some specification... I will thank for any contribution of information. Lic. Gabriela Escati Peñaloza Biología y Manejo de Recursos Acuáticos Centro Nacional

[R] error message

? We would apreciate if you could point us to a reference 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

[R] Significance of degrees of freedom in nlme

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

Re: [R] how calculation degrees freedom

Dear Dr. Bates, Thank you very much for your response. --- Douglas Bates [EMAIL PROTECTED] escribió: On 1/27/06, gabriela escati peñaloza [EMAIL PROTECTED] wrote: Hi, I' m having a hard time understanding the computation of degrees of freedom So do I and I'm one of the authors

[R] degrees of freedom

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

[R] how calculation degrees freedom

are the DF of Linf and K different? I would apreciate if you could point me to a reference Note: I working with Splus 6.1. for Windows Lic. Gabriela Escati Peñaloza Biología y Manejo de Recursos Acuáticos Centro Nacional Patagónico(CENPAT). CONICET Bvd. Brown s/nº. (U9120ACV)Pto. Madryn

[R] degrees freedom in nlme

are the DF of Linf and K different? I would apreciate if you could point me to a reference. 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