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| Regularyzowane drzewo decyzyjne× | Extra Trees× | |
|---|---|---|
| Dziedzina | Uczenie maszynowe | Uczenie maszynowe |
| Rodzina | Machine learning | Machine learning |
| Rok powstania≠ | 1984 | 2006 |
| Twórca≠ | Breiman, L., Friedman, J., Olshen, R., & Stone, C. | Geurts, P.; Ernst, D.; Wehenkel, L. |
| Typ≠ | Supervised learning (regularized tree) | Ensemble (extremely randomized decision trees) |
| Źródło pierwotne≠ | Breiman, L., Friedman, J., Olshen, R., & Stone, C. (1984). Classification and Regression Trees. Wadsworth. ISBN: 978-0-412-04841-8 | Geurts, P., Ernst, D. & Wehenkel, L. (2006). Extremely randomized trees. Machine Learning, 63(1), 3–42. DOI ↗ |
| Inne nazwy | pruned decision tree, cost-complexity pruned tree, penalized decision tree, constrained CART | Extremely Randomized Trees, ExtraTreesClassifier, ExtraTreesRegressor, ET |
| Pokrewne≠ | 6 | 5 |
| Podsumowanie≠ | A regularized decision tree is a decision tree model whose complexity is intentionally limited through pruning, depth constraints, or penalty terms to prevent overfitting. Rooted in Breiman et al.'s CART framework (1984), regularization converts the greedy tree-growing procedure into a bias-variance tradeoff, yielding models that generalize better to unseen data than fully-grown trees. | Extra Trees (Extremely Randomized Trees), introduced by Geurts, Ernst, and Wehenkel in 2006, is an ensemble of decision trees that pushes randomisation further than Random Forest. Both the candidate features and the split thresholds are chosen completely at random at each node, eliminating the greedy search over thresholds. This extra randomness reduces variance, often matches or exceeds Random Forest accuracy, and runs substantially faster at training time. |
| ScholarGateZbiór danych ↗ |
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