[R] Likelihood Ratio Tests

[Peter Dalgaard]

Jim Silverton wrote:
> Is there any package available in R to do the following hypothesis tests?
> 
> Testing the means of two Poissons (equivalent to the difference of two
> proportions)
> Testing the equality of two proportions from binomials
> Testing the equality of proprtions of two negative binomials
> (both conditional and unconditional tests).
> No large sample approximation tests...I need exact tests
> Thanks,
> 
> Jim

Well, poisson.test and binom.test exist.  Wouldn't know what you're 
expecting for the negative binomial case (nor what you mean by the 
parenthesis re. Poisson means).

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