To solve the problem of multi-topic problem in training documents, an approach which is based on cluster analysis has been introduced.
针对训练文本集中往往存在多个主题类别的问题，提出一种基于聚类分析策略的文本偏好挖掘方法。
Methods The methods of analysis were used by expert consulting graded approach, discrete tendency, principal component analysis and cluster analysis.
方法采用专家咨询打分法、离散趋势法、主成分分析法和聚类分析法进行分析。
A new comprehensive evaluation system based on congregating approach of growth elements analysis, cluster analysis and AHP is presented in the paper.
将贡献于经济增长的因素用来构造指标体系，综合了增长因素分析、AHP、综合指标评价和聚类分析，构造一种新的综合评价系统。
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