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Re:Bad numbers in the “gzip beats BERT” paper? by 1024core on Monday July 17, 2023 @02:03PM (#36761740)
True. You want to always use an odd number so there are no ties.

I'm guessing they were trying a parameter sweep, and found that (thanks to the bug) they got the best results for K=2.

This too is problematic in its own sense.

Re:Bad numbers in the “gzip beats BERT” paper? by ks2048 on Monday July 17, 2023 @04:37PM (#36763708)
Yes, agreed. One small point: for the multi-class case (more than just two classes), which include all the datasets here, you can still get ties for odd k. e.g. k=3, you can get 1 vote each for 3 different classes, etc.
Re:Bad numbers in the “gzip beats BERT” paper? by 1024core on Monday July 17, 2023 @05:11PM (#36764172)
Multi-class is trickier. Maybe we can break down an N-class problem into N binary-classification problems?