In regression, we predict numbers, Y, from input, X, and the predictions are usually wrong or not exact. The main question that we have to ask is: by how much? In other words, we want to measure the distance between the predicted and true values.
In regression, we predict numbers, Y, from input, X, and the predictions are usually wrong or not exact. The main question that we have to ask is: by how much? In other words, we want to measure the distance between the predicted and true values.
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