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why are y_hat and ε independent?

I think ε dose effect y_hat

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  • $\begingroup$ This is an assumption. $\endgroup$
    – whuber
    Commented Nov 20, 2023 at 13:19
  • $\begingroup$ f_hat(m) is independent from ε(m+1) $\endgroup$
    – Yangge Hu
    Commented Nov 20, 2023 at 23:52

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