2min chapter

How AI Happens cover image

Valo Health Chief AI Officer Brandon Allgood

How AI Happens

CHAPTER

The Value of Rewaying a Training Set

Rewading a training set is what you want to be able to do. The fundamental statistical basis of machine learning or assumption is that your training set and your test set are pulled from the same underlying distribution. And we know that that's almost never the case because your training set by fiat is historical and history is not always representative of the future. You're always going to have to continue to kind of reweight based on the future.

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