Módszerek összehasonlítása
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| Bagging (Bootstrap Aggregating)× | Online Boosting× | |
|---|---|---|
| Tudományterület | Gépi tanulás | Gépi tanulás |
| Módszercsalád | Machine learning | Machine learning |
| Keletkezés éve≠ | 1996 | 2001 |
| Megalkotó≠ | Breiman, L. | Oza, N. C. & Russell, S. |
| Típus≠ | Ensemble meta-algorithm (variance reduction via bootstrap aggregation) | Online ensemble (incremental boosting) |
| Alapmű≠ | Breiman, L. (1996). Bagging Predictors. Machine Learning, 24(2), 123–140. DOI ↗ | Oza, N. C., & Russell, S. (2001). Online Bagging and Boosting. In Artificial Intelligence and Statistics 2001 (pp. 105–112). Morgan Kaufmann. link ↗ |
| Alternatív nevek≠ | Bootstrap Aggregating, bootstrap aggregation, bagged ensemble, bagged predictor | streaming boosting, incremental boosting, online AdaBoost, online ensemble boosting |
| Kapcsolódó≠ | 5 | 6 |
| Összefoglaló≠ | Bagging, short for Bootstrap Aggregating, is an ensemble meta-algorithm introduced by Leo Breiman in 1996 that trains multiple copies of a base learner on independently drawn bootstrap samples of the training data and combines their predictions — by averaging for regression or majority vote for classification — to produce a final predictor with substantially lower variance than any single base learner. | Online Boosting adapts the classical boosting framework to data streams, updating an ensemble of weak learners one example at a time without storing the full dataset. The Oza-Russell formulation approximates AdaBoost's reweighting using Poisson-sampled instance counts, enabling accurate, adaptive classification in real-time or resource-constrained environments. |
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