cluster sampling 英[ˈklʌstə ˈsæmplɪŋ] 美[ˈklʌstɚ ˈsæmplɪŋ] 释义 分群[组]抽象法 实用场景例句 全部 Contrast group: Other 218 undergraduates were adopted incluster sampling, taking clas
整群抽样(cluster sampling)是先将总体划分为k个“群”组,每个群包括若干观察单位;再随机抽取k个“群”,并将被抽取的各个群的全部观察单位组成样本。整群抽样的最大优点是便于组织,节省经费,容易控制调查质量。它的缺点是当样本例数一定时,其抽样误差一般大于单纯随机抽样的误差。诊断试验评价:一致率(accuracy,ACC...
必应词典为您提供clustersampling的释义,un. 分组取样;整群抽样;群组抽样;聚类抽样; 网络释义: 群集抽样;分群抽样;丛集抽样;
沪江词库精选cluster sampling是什么意思、英语单词推荐 分群抽样法,整群抽样,成串采样,成群抽样,密集样本,分组取样,集中采样 相似短语 cluster sampling 分群抽样法,整群抽样,成串采样,成群抽样,密集样本,分组取样,集中采样 stratified multistage cluster sampling 分层多级整群抽样 cluster random sampling 分群...
Cluster sampling is frequently used in household surveys, market research etc. Suppose we wish to estimate average income per household in a big city. It is difficult to find a frame containing all the households. However, the list of blocks in the city are usually readily available. So inste...
Cluster sampling is a sampling method in which the entire population is divided into externally, homogeneous but internally, heterogeneous groups.
Cluster Sampling: a pervasive, yet little recognized survey design in fisheries research. Trans. Am. Fish. Soc. 143 : 926-938 CrossRef .Nelson, G. A. (2014). Cluster Sampling: a pervasive, yet little recognized survey design in fisheries research. Trans. Am. Fish. Soc. 143, 926-938....
Cluster sampling整群抽样和Stratified random sampling分层抽样典型区别在于:在整群抽样Cluster sampling中,只有选定的cluster里面的个体才有机会成为样本a whole cluster is regarded as a sampling unit and only sampled clusters are included,没有被选中的cluster是不会有机会成为样本的。而在Stratified random sampling...
整群抽样(cluster sampling)相关知识点: 试题来源: 解析 整群抽样:首先将整个目标人群分成若干单位(如。以乡、村为单位),然后在这些单位中进行随机抽样。抽到的各单位就构成了研究的样本,将抽到的各单位内的所有个体均作为研究的对象进行调查,像这样的抽样方法就称为整群抽样。
百度试题 题目cluster sampling的中文翻译是:() A.概率抽样B.系统抽样C.整群抽样D.配额抽样相关知识点: 试题来源: 解析 C 反馈 收藏