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| デイビス・ボールディン指数× | Calinski-Harabasz Index（キャリンスキー・ハラバス指数）× | |
|---|---|---|
| 分野 | モデル評価 | モデル評価 |
| 系統 | MCDM | MCDM |
| 提唱年≠ | 1979 | 1974 |
| 提唱者≠ | David L. Davies, Donald W. Bouldin | Tadeusz Calinski, Jerzy Harabasz |
| 種類 | Cluster quality metric | Cluster quality metric |
| 原典≠ | Davies, D. L., & Bouldin, D. W. (1979). A cluster separation measure. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1(2), 224-227. DOI ↗ | Calinski, T., & Harabasz, J. (1974). A dendrite method for cluster analysis. Communications in Statistics, 3(1), 1-27. DOI ↗ |
| 別名≠ | DBI, Davies Bouldin index | variance ratio criterion, pseudo F-statistic, CH index |
| 関連 | 5 | 5 |
| 概要≠ | The Davies-Bouldin Index, introduced by Davies and Bouldin in 1979, is a metric for evaluating clustering quality based on the average similarity between each cluster and its most similar neighboring cluster. Lower values indicate better clustering, with a minimum of 0 representing perfectly separated, non-overlapping clusters. | The Calinski-Harabasz Index, also called the Variance Ratio Criterion, was introduced by Calinski and Harabasz in 1974. It is a metric that measures the ratio of between-cluster variance to within-cluster variance, adjusted for the number of clusters and data points. Higher values indicate better-separated, more compact clusters. |
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