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Old 07-15-2021, 09:19 PM
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htlin htlin is offline
Join Date: Aug 2009
Location: Taipei, Taiwan
Posts: 610
Default Re: Is a test set needed after cross validation?

Originally Posted by gverhoev View Post
* is using the same data for training and validation in a leave-one-out CV not an example of data snooping?
In a general sense, maybe. But given that the harm is generally minor, relative to the benefits that comes with a careful validation procedure. So very few people consider this to be a data snooping case that we should be aware of. Hope this helps.
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