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Results tagged with mse
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user 66519
MSE stands for Mean Squared Error. It is a measure of the performance of an estimate or prediction, equal to the mean squared difference between the observed values and the estimated / predicted values.
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Which denominator to use for cross-validated RMSE: $n$ or $n-k$?
I'm having a hard time understanding when I should take out the number of parameters from the denominator of the root mean squared error.
From what I understood (other question, and wiki article), if …
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