Mean squared prediction error: Difference between revisions

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new section: Computation of MSPE over out-of-sample data
Estimation of MSPE: transitional sentence
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==Estimation of MSPE==
 
The MSPE of the model over the entire population of mostly unobserved data can be estimated as follows.
 
For the model <math>y_i=g(x_i)+\sigma\varepsilon_i</math> where <math>\varepsilon_i\sim\mathcal{N}(0,1)</math>, one may write