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- The cluster sample method is most often used because, in the initial stages of emergencies, people are rarely living in a structured pattern. 分组抽样方法是最常用的，因为在紧急情况的初期，人们很少住在有组织的环境中。
- Process capability index that is affected by the difference between the sample mean and the target value. 受样本中心值与规格中心值之差所影响的制程能力指针。
- On two-stage adaptive cluster sampling to assess pest density. 应用二阶适应性整群抽样估计害虫密度。
- Calcuate the price per square foot for each house and then calculate the sample mean. 以报表结果说明之。
- DESIGN:A stratified randomized cluster sampling survey. 设计:分层随机整群抽样调查。
- Evaluation of the Comparative Method of Two Large Sample Means. 两个大样本均数比较方法的评价。
- The algorithm will ensure that the sample mean square difference between the output of the adaptive controller and the output of the optimal controller converges to zero under the general assumptions. 在通常假设条件下使用这种算法，能使适应控制器和最优控制器的输出之差在样本均方意义下收敛到零。
- Methods By using the cluster sampling method, a sample of 518 students drawn from 4 high schools in Chuzhou, then a questionnaire survey was conducted among them. 方法采取整群抽样方法对滁州市4所高中三年级毕业班学生518名进行问卷调查。
- Liu,Mayer and Eckhardt discussed interval estimtion of the RR in cluster sampling on the basis of beta binomial model. Liu等人在聚类抽样的情形下基于贝塔二项分布模型讨论了风险比的区间估计问题.
- Contrast group:Other 218 undergraduates were adopted in cluster sampling,taking class as unit. 对照组:除外观察组学生,随机在4届学生中以班为单位整群抽样218名学生。
- Me thods: 5449 students from 5 primary of middle schools in Xining city were chosen with cluster sampling. 方法:随机整群抽取西宁市5所中小学校在校学生5449人,采取问卷进行流行病学调查和研究。
- Methods 273 university students were tested by Lusi Scale with cluster sampling method. 方法应用路西量表采用随机分层抽样的方法对大学生进行心理测试。
- Methods To collect data by cluster sampling and analyze data by polychotomous Logistic regression. 方法采用整群抽样调查搜集资料,采用多分类回归分析筛选影响因素。
- sample mean gap-length of word type 样本均值词型间距长度
- This paper discusses cluster sampling and stratified cluster sampling in continuous surveys with censuses. 本文讨论了连续调查中应用普查方法时的整群抽样和分层整群抽样。
- Methods With stratified sampling and cluster sampling, we investigate 487 families in poverty. 方法采用分层整群抽样方法调查487户贫困家庭。
- Meanwhile, a recursive algorithm for computing the sample mean and covariance matrix with forgetting factors was also given to overcome the difficulties of storing the vast old training samples. 给出了带有遗忘因子的样本均值和样本协方差矩阵的递推算法，用以克服传统方法需要保存大量以往故障训练样本所带来的困难。
- Methods Cluster sampling and questionnaire of Road Traffic Safety Education Status of Pupils in Chongqing were conducted in the study. 方法采取整群抽样方法，使用自编的“重庆市小学生道路交通安全教育现状调查表”进行调查。
