For many clustering algorithms, it is very important to determine an appropriate number of clusters, which is called cluster validity problem.

对于许多聚类算法，决定合适的聚类数目至关重要，这称为聚类有效性问题。

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A cluster validity function-based method is proposed for solving the problem of clustering for area geographical entities when the number of cluster is unknown.

为解决聚类数未知条件下面状地理实体的聚类问题，文中提出了一种基于聚类有效性函数的聚类方法。

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A cluster validity function-based method is proposed for solving the problem of clustering for area geographical entities when the number of cluster is unknown.

为解决聚类数未知条件下面状地理实体的聚类问题，文中提出了一种基于聚类有效性函数的聚类方法。

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