The evaluation of clustering validity is important for clustering analysis, and is one of the bottlenecks of clustering analysis.
聚类有效性评价对聚类分析具有重要意义，是聚类分析的瓶颈之一。
Grey clustering method is applied to evaluate the eutrophication of wetland water, in order to established a superior evaluation system which is suitable for wetland eutrophication evaluation.
将灰色聚类法应用到湿地水体富营养化评价中，旨在建立起一套比较完善、适合于湿地水体富营养化的评价体系。
Based on the Grey system, Grey clustering model of compositive evaluation for computer software quality is put forward, and it provides scientific basis for the quantitative evaluation result.
根据灰色系统理论，建立了计算机软件质量综合评价的灰色聚类模型，为定量确评价软件质量提供了有效的方法。
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