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Multiclass and Model-Choice Etiquette
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Multiclass and Model-Choice Etiquette
One weak class can hide behind accuracy; macro vs weighted vs micro F1; pick by CV on train, touch test once. Home: CM class-2 recall 0.3684 under acc 0.9167; F1 macro 0.8111; CV winner logreg; peek linearsvc 0.8133 invalid.
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