Give some recent discussions here, I thought this might be of interest: https://www.johndcook.com/blog/2012/07/26/avoiding-underflow-in-bayesian-computations/
"... Everything works just fine until you have more data than you’ve seen before. Then suddenly you start getting infinite, NaN, or otherwise strange results. ..." Thanks, -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
