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It actually explains what alpha is. The line above its first occurrence it says: "In the case of polynomials". So alpha are the coefficients of the polynomial.
by mifix 10y ago
It actually explains what alpha is. The line above its first occurrence it says: "In the case of polynomials". So alpha are the coefficients of the polynomial.
- achompas 10y agoRhetorical question: what's so special about the polynomial coefficients when fitting a model? This isn't addressed in an article about regularization, yet it's a key point.