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4.342806
2007 Jan 06
2
negative binomial family glm R and STATA
Dear Lister,
I am facing a strange problem fitting a GLM of the negative binomial
family. Actually, I tried to estimate theta (the scale parameter)
through glm.nb from MASS and could get convergence only relaxing the
convergence tolerance to 1e-3. With warning messages:
glm1<-glm.nb(nbcas~.,data=zonesdb4,control=glm.control(epsilon = 1e-3))
There were 25 warnings (use warnings() to see