Security margins in training (on error and to exhaustion)

[David Relson]

On Wed, 10 Dec 2003 13:48:30 +0100
Boris 'pi' Piwinger <3.14 at logic.univie.ac.at> wrote:

> David Relson wrote:
> 
> > Some interesting results!
> 
> I hope so.
> 
> > To summarize:  a larger margin builds a larger database and gives
> > better classification results.
> 
> At least up to some point. As a KISS answer I'd suggest to
> use spam_cutoff+-0.3 as an interval (assuming ham_cutoff =
> spam_cutoff, IOW: ham_cutoff=0).

I would _never_ use spam_cutoff=ham_cutoff. 

Using tri-state classification lets my MUA filter all the Unsures into a
single folder so I know which messages weren't classifiable.  It beats
the heck out of having the messages filtered into the many possible
different folders I have.