Dear r list, I am using glm.nb in the MASS package to fit negative binomial models to data on manta ray abundance, and AICctab in the bbmle package to compare model IC. However, I need to test for the goodness of fit of the full model, and have not been able to find a Pearson's Chi Squared statistic in any of the output. Am I missing it somewhere? Is there a way to run the test using either chisq.test() or goodfit()? I would appreciate any suggestions on how to test for goodness of fit in negative binomial models. Thanks, Tim Clark Dept. of Zoology University of Hawaii
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