From: Fritz B. <fb...@iw...> - 2006-02-28 17:41:55
|
>I guess it would help if I related my goal and that is to figure out >whether I should be trying to get it lower, or higher, and what the >best possible methods of doing that would be.. or if it is relevant >at all and I should just disregard? Lower norm means less false positives. It should be below 1 and above 0.5. 0.83 is ok. There are different methods to influence the norm. First is the maxfiles number. If you go higher with maxfiles the norm goes lower, because HAM tend to be longer (more words) than SPAM. In my installation the average of HAM is 8k and the average of SPAM is 4 K. That gives me a norm between of 0.5 and 0.6. I reduced my maxsize to 4k. By that my norm went to 0.9 and i could increase maxfiles without having long rebuild time. |