Em Sábado 14 Outubro 2006 11:15, Gabor Grothendieck escreveu:
> Try using OLS starting values:
>
> glm(Y~X,family=gaussian(link=log), start = coef(lm(Y~X)))
>

Ok, using a starting value the model work.

But, sometimes ago it work without any starting values. Why now I need a 
starting values?

Thanks
Ronaldo
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