Hello Pierre,

Wednesday, May 19, 2004, 11:38:36 AM, you wrote:

PT> Quite a lot of my mail is scoring so near 50% (0.49999 -
PT> 0.50001) that it doesn't show any Bayes score in the summary.  This
PT> is mostly just an inconvenience, but I wonder if there is a "pull"
PT> towards the middle that makes this happen.  I am seeing it in about
PT> 2% of my email, much more than I would expect statistically.

Yes, there is a tendency in versions 2.6x for Bayes to "pull" toward
Bayes_99, Bayes_00, and Bayes_50. This was one of the changes in results
that took place in migrating from the version 2.5x algorithm to the
version 2.6x algorithm. In 2.5x the pull (if there was one) was much less
pronounced.

Bob Menschel



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