Questions tagged [no-free-lunch]

For questions related to the various No Free Lunch (NFL) theorems (both in the context of machine learning and optimization).

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What are the implications of the “No Free Lunch” theorem for machine learning?

The No Free Lunch (NFL) theorem states (see the paper Coevolutionary Free Lunches by David H. Wolpert and William G. Macready) any two algorithms are equivalent when their performance is averaged ...