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	Średni błąd kwadratowy (MSE)	Kryterium informacyjne Akaikego (AIC)
Dziedzina	Ocena modeli	Ocena modeli
Rodzina	MCDM	MCDM
Rok powstania	1809	1974
Twórca	Carl Friedrich Gauss	Hirotugu Akaike
Typ	Squared-error loss function	Model selection metric
Źródło pierwotne	Gauss, C. F. (1809). Theoria Motus Corporum Coelestium in Sectionibus Conicis Solem Ambientium. Hamburg: Perthes and Besser.	Akaike, H. (1974). A new look at the statistical model identification. IEEE Transactions on Automatic Control, 19(6), 716-723.
Inne nazwy	MSE, L2 error, quadratic error	AIC
Pokrewne	4	4
Podsumowanie	Mean Squared Error is the foundational loss function for regression models, measuring the average squared deviation between predictions and observations. Originating from Gauss and Legendre's method of least squares (1805-1809), MSE is the basis for ordinary least squares regression and remains central to modern machine learning optimization.	The Akaike Information Criterion is an information-theoretic measure for model selection that balances goodness of fit against model complexity. Introduced by Hirotugu Akaike in 1974, AIC estimates the relative quality of models for a given dataset, penalizing additional parameters to prevent overfitting.