Re: scores too low - neural network problem?

2005-03-06 Thread Andrew Schulman
> > I understand that the individual test scores are fed through a neural > > network to derive the final score.  So it seems that this network has > > started to behave badly.   > > You misunderstand. The neural network (or whatever they're using these > days - it at least used to be a genetic al

Re: scores too low - neural network problem?

2005-03-06 Thread Andrew Schulman
> What is the output of this on your mesages? > > spamassassin -tD 2>&1 | pager > > What value does it show for BAYES_99 in the content analysis section? > If it says something other than 4.07 then it confirms that you are not > running with values from column four network test off. It sounds >

Re: scores too low - neural network problem?

2005-03-05 Thread Kelson Vibber
On Saturday 05 March 2005 1:21 pm, Andrew Schulman wrote: > I understand that the individual test scores are fed through a neural > network to derive the final score.  So it seems that this network has > started to behave badly.   You misunderstand. The neural network (or whatever they're using t

Re: scores too low - neural network problem?

2005-03-05 Thread Bob Proulx
Andrew Schulman wrote: > I'm running spamc/spamd 3.0.2 in Debian.  I have Bayesian tests turned on, > and network tests off. I am running a similar system. But with network tests turned on. The network tests such as SURBL[1] are huge factors in increasing spam classification accuracy for me. >

scores too low - neural network problem?

2005-03-05 Thread Andrew Schulman
I'm running spamc/spamd 3.0.2 in Debian.  I have Bayesian tests turned on, and network tests off. Lately a lot of spam has been getting through to my mailbox.  SA's false negative rate used to be about 1%; now it's about 50%.  Looking at the headers for the spam that's getting through, I see that