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بوستینگ×گرادیان بوستینگ (Gradient Boosting)×تقویت گرادیان منظم‌شده×
حوزهیادگیری ماشینیادگیری ماشینیادگیری ماشین
خانوادهMachine learningMachine learningMachine learning
سال پیدایش1990–199720012001 (gradient boosting); 2016 (explicit L1/L2 regularization in XGBoost)
پدیدآورSchapire, R. E.; Freund, Y.Friedman, J. H.Chen, T. & Guestrin, C. (building on Friedman, J. H.)
نوعSequential ensemble (iterative reweighting)Ensemble (sequential boosting of decision trees)Regularized ensemble (additive tree model)
منبع بنیادینFreund, Y. & Schapire, R. E. (1997). A decision-theoretic generalization of on-line learning and an application to boosting. Journal of Computer and System Sciences, 55(1), 119–139. DOI ↗Friedman, J. H. (2001). Greedy Function Approximation: A Gradient Boosting Machine. Annals of Statistics, 29(5), 1189–1232. DOI ↗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. DOI ↗
نام‌های دیگرAdaBoost, gradient boosting, iterative reweighting ensemble, sequential ensembleGradient Boosting (GBM), GBM, gradient boosted trees, gradient boosting machinepenalized gradient boosting, shrinkage-regularized boosting, XGBoost-style regularization, L1/L2 gradient boosting
مرتبط656
خلاصهBoosting is a sequential ensemble technique that converts many simple, barely-better-than-chance learners into a single highly accurate model by repeatedly focusing training on the examples that previous learners got wrong, then combining all learners with weights proportional to their individual accuracy.Gradient Boosting is an ensemble learning method, formalised by Jerome H. Friedman in 2001, that combines a sequence of weak learners — typically shallow decision trees — so that each new tree is fitted to minimise the residual errors of the trees before it. It is the core algorithm behind popular implementations such as XGBoost, LightGBM and CatBoost.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.
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ScholarGateمقایسهٔ روش‌ها: Boosting · Gradient Boosting · Regularized Gradient Boosting. بازیابی‌شده در 2026-06-17 از https://scholargate.app/fa/compare