方法对比
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| 正则化决策树× | 正则化随机森林× | |
|---|---|---|
| 领域 | 机器学习 | 机器学习 |
| 方法族 | Machine learning | Machine learning |
| 起源年份≠ | 1984 | 2012 |
| 提出者≠ | Breiman, L., Friedman, J., Olshen, R., & Stone, C. | Deng, H. & Runger, G. |
| 类型≠ | Supervised learning (regularized tree) | Regularized ensemble (penalized feature selection in trees) |
| 开创性文献≠ | Breiman, L., Friedman, J., Olshen, R., & Stone, C. (1984). Classification and Regression Trees. Wadsworth. ISBN: 978-0-412-04841-8 | Deng, H., & Runger, G. (2012). Feature selection via regularized trees. Proceedings of the 2012 International Joint Conference on Neural Networks (IJCNN), IEEE, pp. 1–8. DOI ↗ |
| 别名 | pruned decision tree, cost-complexity pruned tree, penalized decision tree, constrained CART | RRF, Guided Regularized Random Forest, GRRF, regularized tree ensemble |
| 相关≠ | 6 | 5 |
| 摘要≠ | 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. | Regularized Random Forest (RRF), introduced by Deng and Runger in 2012, extends the standard Random Forest by adding a penalty that discourages splits on features not already used in the ensemble. This built-in regularization produces sparser, less redundant feature subsets, making the model especially valuable when feature selection is as important as predictive accuracy. |
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