查询词典 cluster sampling

Stratified cluster sampling method, to branches, grade, gender-stratified sample mean, in December 2009 granted to the Southeast University.

采用分层整群抽样的方法，以系别、年级、性别为分层指样，于2009年12月向东南大学发放。

The investigation applied the methods of typical survey and cluster random sampling survey.

调查采用典型调查和整群随机抽样调查结合的方法。

A survey using a cluster sampling of adolescence was conducted to investigate the characteristics of self-disclosure and self-concealment in adolescence and the relationship between them and subjective well-being.

摘要采用问卷调查的方法，对691名初一至大四学生的自我表露和自我隐瞒特点及其与主观幸福感的关系进行了研究。

Methods Using simple cluster sampling method, subjects living in Bejing, Tianjin, Shanghai and Nanjing cities in China were selected and detail information on house decoration and family member's health status was collected.

采取整群抽样的方法，选取北京、天津、上海及南京4个城市住户并且常住在家的人员作为研究对象，调查居室装修相关信息和家庭成员的健康状况。

Uniform random sampling is widely applied to many kinds of algorithms in data mining. It processes uniform distribution data set extremely effectively, but easily loses slight cluster and consequently decreases clustering accuracy, when the processing data set is skew distribution.

随机抽样技术已经广泛应用于数据挖掘的各类算法中，它在处理分布均匀的数据集时非常有效，但在处理分布比较倾斜的数据集时容易丢失小的聚类。

Methods: International conventional sphygmomanometry was used to carry out cluster random sampling survey of hypertension and the prevalence rate of hypertension as well as RR, AR, ARp, U test in whole district population (15 384 persons).

以国际通用血压测量方法对全区15 384人进行整群随机抽样调查，着重对有、无不良生活方式的两组人群进行高血压患病率调查，及相对危险度、归因危险度、人群归因危险度、U检验等的检测，以及相关及多元回归分析。

MethodsThe method of random cluster sampling was adopted to select 700 automotive soldiers,the SCL-90,STAI,EPQ and SRHMS were used to evaluate the mental health and personality of them,and the related factors of mental health were analyzed.

方法随机整群抽样，抽取某部驻戈壁沙漠汽车兵700人，用症状自评量表(SCL-90)、状态—特质焦虑问卷、艾森克个性问卷和自测健康评定量表分别测评其心理健康水平及个性，并对心理健康状况的影响因素进行分析。

In chapter 4 based above two chapters, we disscuss sampling method of supplemented sample under both cluster sample and stratified sample having auxiliary information.

已有的 分层抽样和整群抽样方案都有自己的使用范围，在不适合的情况下使用效率很低。

Methods Through two phase cluster sampling, 566 pupils in grade 4 and grade 5 of two schools were assigned to intervention group and control group.

方法采用两阶段整群抽样的方法，选取两所小学的所有四、五年级学生566人为研究对象。

Methods A two stage cluster sampling method was adopted to determine the number of entertainment places and CSW. The blood samples testing HIV and syphilis were collected.

采用两阶段整群抽样法确定抽样调查场所和调查人数，并采集血标本检测HIV、梅毒。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我