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by thousandautumns
2898 days ago
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No, because if the underlying phenomenon happened 20% of the time, that’s what you want your model to predict. The point of the model is to describe reality as accurately as possible. So a model that predicts a particular outcome to happen 80% of the time, and the outcome actually does happen 80% of the time, isn’t any better or worse than a model that predicts an outcome to happen 20% of the time that happens 20% of the time. |
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