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No Free Lunch and What It Does Not Say

The averaging argument that equalises every learner over all possible targets, verified by enumerating them, and the reason it is a statement about assumptions rather than a counsel of despair.

AdvancedModule 325 min · 100 XP
Targets pairing off so that each prediction is right for one and wrong for its twin, four different learners all settling on exactly one half, and the average lifting the moment the set of possible targets is narrowed.

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