[R] about overdispersed poisson model

From: g0354502 <g0354502_at_nccu.edu.tw>
Date: Mon 10 Jul 2006 - 14:26:04 EST

Dear R users

  I have been looking for functions that can deal with overdispersed poisson models. According to actuarial literature (England & Verall, Stochastic Claims Reserving in General Insurance , Institute of Actiuaries 2002) this can be handled through the use of quasi likelihoods instead of normal likelihoods. However, we see them frequently in this type of data, and we would like to be able to fit the model anyway. If it is possible, would you please show me how to find the corresponding package and utilize them?

Best Regards,

            Chi Kai

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