[R] too large alpha or beta in dbeta ?
thomas at biostat.washington.edu
Thu Aug 24 22:45:47 CEST 2000
On Thu, 24 Aug 2000, Troels Ring wrote:
> Dear friends.
> Is this as expected ? Is alpha and beta too large simply ?
> > dbeta(.1,534,646)
>  NaN
> Warning message:
> NaNs produced in: dbeta(x, shape1, shape2, log)
well, it should work, but the correct answer is effectively zero.
pbeta(.1,534,646) gives 3.6e-213
Perhaps more worrying is
Assistant Professor, Biostatistics
University of Washington, Seattle
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