Nostr'a Katılın
2026-08-07 19:28:25 UTC

gunson on Nostr: Many don't know that E[(Y − f̂(X))²] = Var(ε) and it shows. (The difference ...

Many don't know that

E[(Y − f̂(X))²] = Var(ε)

and it shows.

(The difference between your prediction and the true data generating function in real life is some irreducible entropy you can never know, no matter how good your model or AI is)