Factor analysis and cluster analysis were used to identify the food factors and dietary pattern clusters.
使用因素分析和群组分析确定食物因素和饮食模式群组。
Hidden age messages of pyrolysis mass spectra data of lacquer film by cluster analysis method were investigated and discussed. The stability of experimental factor influenced on analysis result.
本文同时还用聚类分析法研究了漆膜裂解质谱数据隐含的年代信息，并讨论了实验条件的稳定性对解析结果的影响。
Pollution sources of road dust may be identified by means of electron microscope, factor analysis and cluster analysis.
利用电镜分析、因子分析和聚类分析方法可以识别道路尘埃物质的污染源。
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