How to Split data into 3 equal parts (A,B,C) with balanced numbers of each subclass.

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Xue Zhang 2021-3-6

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评论： Xue Zhang 2021-3-6

Hi，

I have a dataset and I can split it into 3 parts but I do not know how to make sure that these 3 parts are with balanced numbers of each subclass.

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Answer 1

the cyclist 2021-3-6

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Probably the easiest way to do this would be with the following steps:

Isolate each of the classes, using something like "Y == A" (this is pseudocode, not MATLAB syntax), etc
Randomly assign each class to your groups (training and testing, whatever)
Combine the classes into the groups

If you upload the data -- or at the very least describe in detail what your data look like -- I could probably give more specific advice with actual code.