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| Calinski-Harabasz Index（キャリンスキー・ハラバス指数）× | Dunn Index× | |
|---|---|---|
| 分野 | モデル評価 | モデル評価 |
| 系統 | MCDM | MCDM |
| 提唱年 | 1974 | 1974 |
| 提唱者≠ | Tadeusz Calinski, Jerzy Harabasz | Joseph C. Dunn |
| 種類 | Cluster quality metric | Cluster quality metric |
| 原典≠ | Calinski, T., & Harabasz, J. (1974). A dendrite method for cluster analysis. Communications in Statistics, 3(1), 1-27. DOI ↗ | Dunn, J. C. (1974). Well-separated clusters and optimal fuzzy partitions. Journal of Cybernetics, 4(1), 95-104. DOI ↗ |
| 別名≠ | variance ratio criterion, pseudo F-statistic, CH index | Dunn's index, separation coefficient |
| 関連 | 5 | 5 |
| 概要≠ | 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. | The Dunn Index, introduced by Joseph C. Dunn in 1974, is a metric that captures cluster quality by measuring the ratio of the minimum between-cluster distance to the maximum within-cluster diameter. Higher values indicate well-separated and compact clusters, with better clustering quality. |
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