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20rails
2006 Oct 12
0
Is there a function in R to evaluate the adjusted AIC or other statistc where overdispersion existed in GLMs?
...sual model selection criteria(e.g.deviance,AIC...) in
GLMs isn't very good for selecting the best model when overdispersion exist,
so we need to adjust the corresponding statistic,see(Fitzmaurice,G.M.
(1997) Model selection with overdispersed
data<file:///D:/²©Ê¿¿ÎÌâ/Prediction%20model%20of%20Snails/1997/Model%20Selection%20with%20Overdispersed%20Data.pdf>,
The Statistician,46(1):81-91.). Is there a function in R to evaluate the
adjusted AIC or other statistc where overdispersion existed in GLMs? How
should i do in that case?
Thanks in advance.
--
With Kind Regards,
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