Increasing BAYES_99 score can be very dangerous

Increasing BAYES_99 score can be very dangerous

Posted Mar 2, 2006 16:53 UTC (Thu) by pimlott (guest, #1535)
In reply to: Increasing BAYES_99 score can be very dangerous by fyodor
Parent article: A grumpy editor's bayesian followup

The long description for that rule is "Bayesian spam probability is 99 to 100%".

I strongly doubt that this description is statistically justified. I know just enough about Bayesian statistics to know that bogofilter, at least, takes numerous liberties with the math, and I suspect that spamassassin is the same. I'm sure nobody has rigorously analyzed the actual "Bayes-inspired" system that is implemented, so it's probably more honest to say that BAYES_99 is just "a high score".

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