Questions tagged [validation-datasets]

For questions related to validation datasets, which are used for hyper-parameter optimization, early stopping or cross-validation.

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How to perform PCA in the validation/test set?

I was using PCA on my whole dataset (and, after that, I would split it into training, validation, and test datasets). However, after a little bit of research, I found out that this is the wrong way to ...
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What are “development test sets” used for?

This is a theoretical question. I am a newbie to artificial intelligence and machine learning, and the more I read the more I like this. So far, I have been reading about the evaluation of language ...