Based on Q-type cluster analysis of 18 water samples of karst-water system in Pingtou hydropower station, the paper draws hierarchical cluster graph.
该文以坪头水电站为例，对厂址区的18个水样进行Q型聚类分析，绘制出聚类分析谱系图。
Methods Neuropsychological tests were carried out in 34 subjects by using clinical memory scales including 17 variables and Q type cluster analysis was performed.
方法对34例调查者进行临床记忆量表等17种神经心理测验，将结果进行Q型聚类分析。
Methods The data of resident's contacting infectious water were collected with cohort study, and were analyzed by sample cluster analysis (Q type).
方法采用队列随访调查的方法收集居民疫水暴露的情况，并用系统聚类法中样品聚类(Q型)进行聚类分析。
Methods The data of resident's contacting infectious water were collected with cohort study, and were analyzed by sample cluster analysis (Q type).
方法采用队列随访调查的方法收集居民疫水暴露的情况，并用系统聚类法中样品聚类(Q型)进行聚类分析。
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