Re: Confusion Matirx

Peter Reutemann <[email protected]>
Newsgroups gmane.comp.ai.weka
Message-ID <CAHoQ12K8EODVmcvo--k7fxtm0LnO4d=8zfWxXmyrhLL95qJGMg@mail.gmail.com>
> but what is the answer to my question:
>
> What does it mean when ALL predictions are "TRUE"

You need to look at your generated model. J48 will have a certain
split point, i.e., a numeric where values above get treated as one
value and below as another.

If all the values in your test set fall on either side, then all of
them will be predicted as such, of course.

Cheers, Peter
-- 
My Open Source Blog - http://open.fracpete.org
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