Porovnať metódy
Prezrite si vybrané metódy vedľa seba; riadky, ktoré sa líšia, sú zvýraznené.
| Ensemble Support Vector Machine× | Bagging (Bootstrap Aggregating)× | Boosting× | Náhodný les× | |
|---|---|---|---|---|
| Odbor | Strojové učenie | Strojové učenie | Strojové učenie | Strojové učenie |
| Rodina | Machine learning | Machine learning | Machine learning | Machine learning |
| Rok vzniku≠ | 2000–2003 | 1996 | 1990–1997 | 2001 |
| Tvorca≠ | Kim, H.-C. et al.; Dietterich, T. G. | Breiman, L. | Schapire, R. E.; Freund, Y. | Breiman, L. |
| Typ≠ | Ensemble of SVMs (bagging, voting, or stacking) | Ensemble meta-algorithm (variance reduction via bootstrap aggregation) | Sequential ensemble (iterative reweighting) | Ensemble (bagging of decision trees) |
| Pôvodný zdroj≠ | Kim, H.-C., Pang, S., Je, H.-M., Kim, D., & Bang, S. Y. (2002). Constructing support vector machine ensemble. Pattern Recognition, 36(12), 2757–2767. DOI ↗ | Breiman, L. (1996). Bagging Predictors. Machine Learning, 24(2), 123–140. DOI ↗ | Freund, 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 ↗ | Breiman, L. (2001). Random Forests. Machine Learning, 45, 5–32. DOI ↗ |
| Ďalšie názvy≠ | Ensemble SVM, SVM ensemble, bagged SVM, SVM committee machine | Bootstrap Aggregating, bootstrap aggregation, bagged ensemble, bagged predictor | AdaBoost, gradient boosting, iterative reweighting ensemble, sequential ensemble | Rastgele Orman (Random Forest), rastgele orman, random decision forest, bagged tree ensemble |
| Príbuzné≠ | 5 | 5 | 6 | 4 |
| Zhrnutie≠ | Ensemble Support Vector Machine combines multiple independently trained SVM classifiers or regressors — each fitted on a different data partition, bootstrap sample, or feature subset — and aggregates their outputs via voting, averaging, or stacking. The approach mitigates the high computational cost and sensitivity to kernel hyperparameters inherent in a single large-scale SVM, while improving generalisation on complex or high-dimensional datasets. | 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. | Boosting 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. | Random Forest is an ensemble learning method, introduced by Leo Breiman in 2001, that grows many decision trees on bootstrap samples of the data and combines their votes to produce strong classification and regression. By pooling many slightly different trees, it produces more accurate and more stable predictions than any single tree. |
| ScholarGateDátová sada ↗ |
|
|
|
|