stratified sampling
- 分层抽样
![stratified sampling](../cache/848642.jpg)
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Mental health levels in university students : stratified sampling study
普通高校大学生的心理健康水平:分层抽样调查
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Throughput measurement technique for high-speed network based on stratified sampling
基于分层抽样的高速网络吞吐率测量
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This study uses methods of stratified sampling and content analysis .
论文主要采用了分层、分类的研究方法以及内容分析法。
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Stratified Sampling Design Applied in the Individual & Private Business of Yunnan Province
云南省个体、私营企业多层次抽样调查方案设计
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Statistical error can be achieved by stratified sampling method .
统计误差可以通过分层抽样的方法达到。
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Stratified sampling method for assessment of ambient air quality
环境空气质量评定用分层取样法
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Improved stratified sampling technique and performance research
改进型分层抽样技术及性能研究
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Paddy rice area estimation using a stratified sampling method with remote sensing in China
基于分层抽样的中国水稻种植面积遥感调查方法研究
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The Optimum Design for Stratified Sampling of Solid Materials
固体分层取样方案的最优化设计
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An improved stratified sampling Monte-Carlo method to analyze the reliability of structural systems
解结构可靠性问题的改进分层抽样法
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The principle of stratified sampling for evaluation on the multiple integrals
重积分计算的分层抽样原理
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Stratified sampling can reduce the sampling error associated with simple random samples .
分层抽样可以减少由简单随机抽样造成的抽样误差。
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Model of the Goal Programming by Stratified Sampling
抽样调查的目标规划模型
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In this study , stratified sampling is used to select samples in Gansu Province .
本研究采用分层抽样的方法,在甘肃省四个县进行调查和分析。
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Methods : The stratified sampling and cluster random sampling methods are used in this survey .
方法:本研究采用分层随机抽样方法和整群随机抽样方法。
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Stratified sampling technology-based modal parameter identification from short data sequence is discussed .
提出基于分层抽样的短样本模态参数识别方法。
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Stratified Sampling in Fracture Probability Analysis of Spherical Tanks
分层取样法在计算球罐断裂失效概率中的应用
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Stratified Sampling Method Applied to the Mean-Square Value Control of white Steam Filature
分层法在白厂丝均方差管理中的应用
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[ Method ] Cluster and stratified sampling survey was adopted from 310 students in medicine college .
[方法]选择医学院大专的学生,采用整群抽样和分层抽样方法,抽取一年级4个班和二年级4个班学生310人进行问卷调查。
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Methods Middle School students in Jiangsu Rural Areas were investigated with SCL-90 by stratified sampling .
方法随机分层整群抽样的方法,应用症状自评量表(SCL-90)对江苏省农村中学进行调查测评。
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The allocation of sample size of multivariate stratified sampling
多元分层抽样样本量的分配
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Compare and Analyse Between Systematic Sampling and Stratified Sampling
系统抽样与分层抽样的比较分析
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Random Weighting Approximation of the Means in Stratified Sampling
分层抽样中均值估计误差分布的随机加权逼近
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Face to face interview was carried out during the optimum allocation random stratified sampling survey process .
最优分配随机分层抽样方法则采用访谈,获得数据。
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This theory was verified by the experiment of stratified sampling for chemical analysis of silicon carbide material .
应用碳化硅物料的分层取样实验对该理论进行了验证,提出了最佳取样方案。
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Modal parameters identification for short data sequences based on stratified sampling and optimism complex Morlet wavelet
用分层抽样和复Morlet小波识别短样本模态参数
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Sample papers on data flow , including density-based sampling , stratified sampling and other dynamic .
关于数据流抽样的论文,包括基于密度的抽样,动态分层抽样等。
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The New Approach to the Survey Methods of Sensitive Questions A STUDY ON STRATIFIED SAMPLING FOR SURVEYING SENSITIVE QUESTIONS
敏感问题调查技术新探分层抽样下敏感问题研究
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Methods 7 282 children aged 2 to 5 years were selected by stratified sampling from twelve software .
方法分层随机抽取我国12个省市7282名2~5岁儿童作为研究对象。
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An Inquiry into Annual Updating of NFI Data under Stratified Sampling
分层抽样下的森林资源清查数据年度更新探讨