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。
Constellation diagram and contiguous vector diagram are audiovisual methods in multivariate statistics, they may be used for the cluster analysis of multivariate sample or index.
星座图与连接向量图是多变量统计的直观方法，可用于多变量样本或多变量指标的聚类分析。
The types of electrofacies of standard sample beds from key well are classified by a combination of principal component and cluster analysis.
用主成分分析与聚类分析结合的方法划分关键井中标准样本层的测井相类型；
Oil-gas data of Daqing is used to build network model. The parameters of network structure are optimized, and the cluster analysis of input sample is made.
采用大庆的油气层数据建立网络模型，对网络结构的参数进行了优化并对输入样本进行了聚类分析。
First, historical data are categorized into different sample types using cluster analysis.
首先，利用聚类分析技术对历史数据进行分类，分成不同类型的样本数据；
The fuzzy cluster analysis was used as the preprocessing to select the sample set, which can increase the speed of study.
作为模糊聚类分析的预处理选择的样本集，从而可以提高学习的速度。
This research adopts investigation methods of stratified sampling and cluster sampling, chooses 95 community health service organizations in 14 cities of Liaoning Province as a analysis sample.
采取分层整群抽样的调查方法，选取辽宁省14个市95家社区卫生服务机构作为分析样本。
This research adopts investigation methods of stratified sampling and cluster sampling, chooses 95 community health service organizations in 14 cities of Liaoning Province as a analysis sample.
采取分层整群抽样的调查方法，选取辽宁省14个市95家社区卫生服务机构作为分析样本。
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