R help - Nov 2005 - Output glm

Hello,
How can I obtain the likelihood ratio of a Poisson regression model?
Regards.


_____________________________________________
	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

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

-- 
Adelchi Azzalini  <azzalini at stat.unipd.it>
Dipart.Scienze Statistiche, Universit?? di Padova, Italia
tel. +39 049 8274147,  http://azzalini.stat.unipd.it/