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| K-means聚类× | 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≠ | 1967 (formalized 1982) | 2001 |
| 提出者≠ | MacQueen, J. B.; Lloyd, S. P. | Breiman, L. |
| 类型≠ | Partitional clustering | Ensemble (bagging of decision trees) |
| 开创性文献≠ | Lloyd, S. P. (1982). Least squares quantization in PCM. IEEE Transactions on Information Theory, 28(2), 129–137. DOI ↗ | Breiman, L. (2001). Random Forests. Machine Learning, 45, 5–32. DOI ↗ |
| 别名 | k-means clustering, Lloyd's algorithm, k-means partitioning, hard k-means | Rastgele Orman (Random Forest), rastgele orman, random decision forest, bagged tree ensemble |
| 相关 | 4 | 4 |
| 摘要≠ | K-means is a classic unsupervised partitional clustering algorithm that divides a dataset into K non-overlapping groups by iteratively assigning each observation to its nearest centroid and updating centroids as the mean of their assigned points. It is one of the most widely used exploratory tools in machine learning and data analysis. | 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. |
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