On Wed, 22 May 2013 20:44:58 +0200 Karsten Bräckelmann wrote: > On Wed, 2013-05-22 at 11:34 -0400, Andrew Talbot wrote: > > I set up Bayes with autolearning a few weeks ago. It took forever to > > get started, but now it seems like the learning speed has > > accelerated. > > > > Is the autolearning supposed to accelerate? I can't help but feel > > like it may just be feeding itself it's own data or something. > > There is no feedback loop in the learning process. Automatic learning > is based on non-Bayes scores, and does in particular entirely ignore > certain rules like BAYES_nn. See the AutoLearnThreshold [1] plugin. > > Additionally, there are quite a few constraints for auto-learning to > happen. Besides the score thresholds, there are (non-configurable) > constraints for header and body rules being involved, etc.
One of those constraints is that autolearning is prevented if Bayes produces a score of a point or more in the opposite direction to the autolearning decision. It is possible that Bayes could get into a state early on where autolearning is slow - particularly if bayes_auto_learn_on_error is set.
