[R-sig-Geo] Confidence intervals for non-poisson distributed SMR's

Virgilio Gomez Rubio Virgilio.Gomez at uclm.es
Tue Dec 7 20:53:43 CET 2010

Dear Ben,

> I have run into a bit of a problem. In the ASDAR book it shows a method for 
> calculating Confidence Intervals for Standardised Morbidity Ratios using the 
> epitools pois.exact function - but my data is overdispersed. 

The example based on the Poisson-Gamma model will provide credible
intervals (because it is a Bayesian model) of the relative risks for
over-dispersed data. It is also in the chapter on disease mapping in

Hope this helps,


More information about the R-sig-Geo mailing list