[Spambayes] RE: Watch out for digests...

Skip Montanaro skip at pobox.com
Fri Dec 12 14:33:40 EST 2003

    >> What's a "hapax"?

    Remi> This is a word that appears in only one ham or spam
    Remi> (i.e. probabolity of 0.5) so we don't really know what to do with
    Remi> them we need more info. (i.e. must appears in more email before
    Remi> saying this is a spam of ham word with a given probability of X)

The first part is correct (appearing only once in the database), however,
the prob assigned to a hapax which only turned up in a spam message is 0.84
and that for a hapax ham token is 0.16.


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