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Re: [Bug-gsl] Hypergeometric distribution
From: |
Brian Gough |
Subject: |
Re: [Bug-gsl] Hypergeometric distribution |
Date: |
Fri, 12 Mar 2004 15:02:30 +0000 |
Jussi Piitulainen writes:
> The info page says p(k) = C(n_1,k) C(n_2, t-k) / C(n_1 + n_2,k). It
> does not tell what the parameters are, but I believe the very last
> symbol is wrong, and p(k) = C(n_1,k) C(n_2, t-k) / C(n_1 + n_2,t) is
> meant. It also says the domain of k is max(0,t-n_2),...,max(t,n_1).
> If "domain" means the possible values, I believe 0,...,min(t,n_1) is
> better. (No definition is given for C(n_2, t-k) with t < k.)
> Also, the documentation mentions an N3 where T must be meant.
Thanks for the bug report.
I will correct that in the next release.
--
Brian Gough