Re: IB1 Classifier

The IB1 classifier is available in my version (3.9.5) of the Weka Explorer, even though I never installed it using the Package Manager.
When I upgrade my version of Weka does the upgrader look to see what I have installed?

Joe McVerry - 919.846.2014

http://mcverryreport.com  - Links to Stock Trader Blogs and Reports

   On Wednesday, August 18, 2021, 09:46:33 PM EDT, Peter Reutemann <[email protected]> wrote:  
 
 > Presently I am using 3.9.5.
>
> I ran the jar.exe using the tf option against the weka.jar file. Here is a list of the lazy classifiers:
>
> ...
> weka/classifiers/lazy/
> weka/classifiers/lazy/kstar/
> ...
> weka/classifiers/lazy/IBk.class
> weka/classifiers/lazy/KStar.class
> weka/classifiers/lazy/LWL.class
> weka/classifiers/lazy/kstar/KStarCache$CacheTable.class
> weka/classifiers/lazy/kstar/KStarCache$TableEntry.class
> weka/classifiers/lazy/kstar/KStarCache.class
> weka/classifiers/lazy/kstar/KStarConstants.class
> weka/classifiers/lazy/kstar/KStarNominalAttribute.class
> weka/classifiers/lazy/kstar/KStarNumericAttribute.class
> weka/classifiers/lazy/kstar/KStarWrapper.class
> ...
>
>
> As you can see no IB1.class file is in the jar file.

Which aligns with what I wrote earlier:

Only older versions (pre 3.8, e.g., 3.6.15) will have IB1 as part of
the weka.jar. Newer versions, as Eibe pointed out, make it available
via a package. IBk is still available in the base weka.jar in newer
versions of Weka.

Below is the Weka package Eibe referenced that you need to install in
order to get the IB1 class (if you don't want to use IBk with k=1):
https://weka.sourceforge.io/packageMetaData/simpleEducationalLearningSchemes/index.html

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/
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