[Rd] Re: [R] too large alpha or beta in dbeta ? (PR#643)
Thu, 24 Aug 2000 22:45:54 +0200 (MET DST)
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
r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !) To: email@example.com