[R] Output glm

2005-11-08 Thread Ciro Marziliano 
Hello,
How can I obtain the likelihood ratio of a Poisson regression model?
Regards.


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dr. Marziliano Ciro
Facolta' di Economia
Universita' degli Studi di L'Aquila
p.zza del Santuario, 19
67040 Roio Poggio, L'Aquila
tel.: 0862 434836
fax: 0862 434803

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Re: [R] Output glm

2005-11-08 Thread Adelchi Azzalini 
On Tue, 08 Nov 2005 12:02:52 +0100, Ciro Marziliano wrote:

CM 
CM  How can I obtain the likelihood ratio of a Poisson regression
CM  model?

likelihood ratio for testing which hypothesis?

however, in GLM the deviance provides the essential ingredient
for the job, since
  deviance = 2(log L(saturated model) - log L(fitted model))

best wishes

Adelchi Azzalini

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Adelchi Azzalini  [EMAIL PROTECTED]
Dipart.Scienze Statistiche, Università di Padova, Italia
tel. +39 049 8274147,  http://azzalini.stat.unipd.it/

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