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	Robust Stacking Ensemble	ग्रेडिएंट बूस्टिंग
क्षेत्र	मशीन अधिगम	मशीन अधिगम
परिवार	Machine learning	Machine learning
उद्भव वर्ष	1992 (stacking); robust variants 2000s–present	2001
प्रवर्तक	Wolpert, D. H. (stacking); robust extensions by multiple authors	Friedman, J. H.
प्रकार	Ensemble (stacking with robust meta-learner)	Ensemble (sequential boosting of decision trees)
मौलिक स्रोत	Wolpert, D. H. (1992). Stacked Generalization. Neural Networks, 5(2), 241–259.	Friedman, J. H. (2001). Greedy Function Approximation: A Gradient Boosting Machine. Annals of Statistics, 29(5), 1189–1232.
उपनाम	robust stacking, robust stacked generalization, outlier-resistant stacking, stacking with robust meta-learner	Gradient Boosting (GBM), GBM, gradient boosted trees, gradient boosting machine
संबंधित	5	5
सारांश	Robust Stacking Ensemble extends classical stacked generalization by replacing the ordinary meta-learner with a robust estimator — such as a Huber-loss regressor, quantile regression, or a model trained on trimmed residuals — so that the ensemble's combination layer is resistant to outliers and noisy base-learner predictions. It improves predictive accuracy and reliability on real-world datasets with contaminated labels or heavy-tailed error distributions.	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.