Hi,

I just uploaded a new package rateratio.test. The package contains one function of the same name and it performs an exact rate ratio test for Poisson counts.  Unlike binom.test and fisher.test the p-values and confidence intervals are internally consistent. In other words, if the p-value implies that the null hypothesis should be rejected, then the confidence interval also implies that the null should be rejected. There is a vignette discussing this issue.


Mike


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Michael P. Fay, PhD
Mathematical Statistician
National Institute of Allergy and Infectious Diseases
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