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	Uregulowany Zespół Stosowy (Regularized Stacking Ensemble)	Uregulowany gradientowy boosting
Dziedzina	Uczenie maszynowe	Uczenie maszynowe
Rodzina	Machine learning	Machine learning
Rok powstania	1992–1996	2001 (gradient boosting); 2016 (explicit L1/L2 regularization in XGBoost)
Twórca	Wolpert, D. H. (stacking); Breiman, L. (regularized meta-learner formulation)	Chen, T. & Guestrin, C. (building on Friedman, J. H.)
Typ	Ensemble (stacked generalization with regularized meta-learner)	Regularized ensemble (additive tree model)
Źródło pierwotne	Wolpert, D. H. (1992). Stacked generalization. Neural Networks, 5(2), 241–259.	Chen, T. & Guestrin, C. (2016). XGBoost: A scalable tree boosting system. Proceedings of the 22nd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 785–794.
Inne nazwy	regularized stacked generalization, ridge stacking, lasso meta-learner ensemble, penalized stacking	penalized gradient boosting, shrinkage-regularized boosting, XGBoost-style regularization, L1/L2 gradient boosting
Pokrewne	6	6
Podsumowanie	Regularized Stacking Ensemble is a two-level ensemble method in which predictions from multiple diverse base learners are combined by a regularized meta-learner — typically ridge regression, lasso, or elastic net — to suppress overfitting in the combination layer. Regularization ensures that the meta-learner assigns stable, well-calibrated weights to base model outputs rather than memorizing noise in the training fold predictions.	Regularized gradient boosting extends the classic additive tree ensemble (Friedman 2001) by embedding L1 and L2 penalty terms directly into the training objective, along with a complexity penalty on tree size. Popularized by XGBoost (Chen & Guestrin 2016), this framework reduces overfitting and improves generalization compared to unpenalized boosting, while retaining the method's characteristic accuracy on tabular data.