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| Bajezijanski XGBoost× | Градијентно појачање× | |
|---|---|---|
| Oblast | Mašinsko učenje | Mašinsko učenje |
| Porodica | Machine learning | Machine learning |
| Godina nastanka≠ | 2012–2016 | 2001 |
| Tvorac≠ | Chen, T. & Guestrin, C. (XGBoost); Snoek, J. et al. (Bayesian Optimization) | Friedman, J. H. |
| Tip≠ | Ensemble (gradient boosted trees with Bayesian hyperparameter search) | Ensemble (sequential boosting of decision trees) |
| Temeljni izvor≠ | 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 ↗ | Friedman, J. H. (2001). Greedy Function Approximation: A Gradient Boosting Machine. Annals of Statistics, 29(5), 1189–1232. DOI ↗ |
| Drugi nazivi | Bayesian XGBoost, XGBoost with Bayesian Optimization, BayesOpt-XGBoost, Bayes-tuned XGBoost | Gradient Boosting (GBM), GBM, gradient boosted trees, gradient boosting machine |
| Srodne≠ | 4 | 5 |
| Sažetak≠ | Bayesian XGBoost combines the predictive power of Extreme Gradient Boosting with Bayesian optimization for hyperparameter tuning. Instead of grid or random search, a probabilistic surrogate model guides the search for optimal learning rate, tree depth, and regularization parameters, achieving near-peak performance with far fewer evaluations than exhaustive search approaches. | 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. |
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