Re: Confusion Matirx
Peter Reutemann <[email protected]>
| Newsgroups | gmane.comp.ai.weka |
|---|---|
| Message-ID | <[email protected]> |
Apologies, that got lost on the small screen... ;-) I was expecting to see that in the output. J48 will only use a single split point on that numeric attribute, which will give the best separation on the training data. Have you tried discretization? Cheers, Peter On October 16, 2021 9:58:22 PM GMT+13:00, Bob Matthews <[email protected]> wrote: >I did post the classifier, Peter >I am using J48 -C 0.25 -M 2 > >Bob M > >On 10/16/2021 6:45 PM, Peter Reutemann wrote: >> Depending on your classifier (which you didn't post), the model >> probably only consists of a single split point. After all, there is >> only a single variable to build a model on. >> >> Have you tried using discretization (supervised or unsupervised >> filter) on your real valued attribute? You can wrap your classifier >> and the filter in the FilteredClassifier meta classifier. Then you >> don't have to worry about dataset compatibility, you can just use the >> original data. >> >> Cheers, Peter >> -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 (office) +64 (7) 577-5304 (home office) http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/. _______________________________________________ Wekalist mailing list -- [email protected] Send posts to [email protected] To unsubscribe send an email to [email protected] To subscribe, unsubscribe, etc., visit https://list.waikato.ac.nz/postorius/lists/wekalist.list.waikato.ac.nz List etiquette: http://www.cs.waikato.ac.nz/~ml/weka/mailinglist_etiquette.html