Filtering Attributes with Weka

Posted by hrzafer on Stack Overflow See other posts from Stack Overflow or by hrzafer
Published on 2010-05-28T07:20:04Z Indexed on 2010/06/07 11:02 UTC
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Hi eveyone!

I have a simple question about filtering attributes in WEKA.

Let's say I have 500 attributes 30 classes and 100 samples for each class which equals 3000 rows and 500 columns. This causes time and memory problems a you can guess.

How do I filter attributes that occur only once or twice (or n times) in 3000 rows. And is it a good idea?

Thank you

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