In the cluster analysis, the correlation matrix or the similarity matrix is directly used to make classification, but there is contradiction in itself, and paradox also occurs in the classification.

聚类分析直接利用相似矩阵或相关矩阵来分类，但它们本身存在矛盾，分类时也会出现矛盾。

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In the cluster analysis, the correlation matrix or the similarity matrix is directly used to make classification, but there is contradiction in itself, and paradox also occurs in the classification.

聚类分析直接利用相似矩阵或相关矩阵来分类，但它们本身存在矛盾，分类时也会出现矛盾。

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