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轮廓系数

轮廓系数(Silhouette Coefficient),由 Peter Rousseeuw 于 1987 年提出,是一个衡量一个对象与其自身簇的相似度以及与其它簇的疏远程度的指标。其值域为 -1 到 1,其中接近 1 的值表示簇分离良好且内聚,接近 0 的值表示簇有重叠,而负值则表示误分类的点。

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来源

  1. Rousseeuw, P. J. (1987). Silhouettes: a graphical aid to the interpretation and validation of cluster analysis. Journal of Computational and Applied Mathematics, 20, 53-65. DOI: 10.1016/0377-0427(87)90125-7

如何引用本页

ScholarGate. (2026, June 3). Silhouette Coefficient. ScholarGate. https://scholargate.app/zh/model-evaluation/silhouette-score

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被引用于

ScholarGateSilhouette Score (Silhouette Coefficient). 于 2026-06-15 检索自 https://scholargate.app/zh/model-evaluation/silhouette-score · 数据集: https://doi.org/10.5281/zenodo.20539026