On Wed, Oct 26, 2011 at 10:50 PM, Alexandre Passos <[email protected]> wrote: > On Wed, Oct 26, 2011 at 22:48, Robert Layton <[email protected]> wrote: >> You have it correct. I haven't done this level of algebra for a while, so >> I'll need to work it out. >> If I have it correctly, I should be able to do: >> log(a!) + log(b!) + log((N-a)!) + log((N-b)!) - log(N!) - log(n!) - >> log((a-n)!) - log((b-n)!) - log((N-a-b+n)!), >> then apply Stirling and simplify? > > Exactly.
gammaln works pretty well in scipy.stats.distributions. I would try that first, since it's easy, unless you expect only large numbers. Josef > > -- > - Alexandre > > ------------------------------------------------------------------------------ > The demand for IT networking professionals continues to grow, and the > demand for specialized networking skills is growing even more rapidly. > Take a complimentary Learning@Cisco Self-Assessment and learn > about Cisco certifications, training, and career opportunities. > http://p.sf.net/sfu/cisco-dev2dev > _______________________________________________ > Scikit-learn-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/scikit-learn-general > ------------------------------------------------------------------------------ The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev _______________________________________________ Scikit-learn-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/scikit-learn-general
