[Spambayes] Is Equal Ham & Spam really the best?

[David Abrahams]

on Sun Jul 29 2007, skip-AT-pobox.com wrote:

>     >> Have you tried lowering your spam threshold a bit?
>
>     Dave> No, I haven't tried that.  I suppose I run the risk of a few false
>     Dave> positives if I go too far with that?
>
> Take a look at the scores in the spams marked unsure and in any hams which
> are marked unsure.  You might well be able to lower the spam threshold a
> fair amount without running the risk of too many (if any) false positives.
>
> I use:
>
>     [Categorization]
>     ham_cutoff:0.20
>     spam_cutoff:0.7

OK, I have some hams that scored as high as 0.85

Is everything between the ham_cutoff and spam_cutoff classified as
unsure?  Moving my spam_cutoff to 0.86 probably would make only a
small dent in my results.

-- 
Dave Abrahams
Boost Consulting
http://www.boost-consulting.com

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