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tapeworms
2004 May 01
0
glm.nb and anova
Hi,
I am trying to fit a negative binomial model with a number of parasite tapeworms as response variable to geographical coordinates
(actually preparing a trend surface before kriging). When I try an anova, I get warnings:
> glm4.nb<-glm.nb(wb~X4+Y4+I(X4^2)+I(Y4^2))
> anova(glm4.nb)
Analysis of Deviance Table
Model: Negative Binomial(0.0463), link: log
Response: wb
T...