I suspect round-off error. In R I get this for the raw LLR: > llr(matrix(c(6,7567, 1924, 2426487), nrow=2)) [1] 3.380607e-11
A slightly different implementation might well have gotten a small negative number here. On Thu, Apr 29, 2010 at 8:56 AM, Sean Owen <sro...@gmail.com> wrote: > What about Shashikant's example? Unless my brain's not in gear, that > seems like a legit example, but does indeed product a negative LLR. >
