stratified random sampling
英 [ˈstrætɪfaɪd ˈrændəm ˈsɑːmplɪŋ]
美 [ˈstrætɪfaɪd ˈrændəm ˈsæmplɪŋ]
网络 分层随机抽样; 分层抽样; 分层随机抽样法; 分层随机取样; 取样
双语例句
- Though stratified random sampling method is adopted for the arterial and collector functional systems, there is a good potential to improve it.
尽管分层随机抽样的方法已经在干线和一般的集散系统得到利用，它仍有很大的发展空间。 - The paper introduces multiple imputation ( MI) for missing data in stratified random sampling, and discusses the ordinary method of MI with ignorable nonresponse, and illustrates the essential steps.
介绍分层随机抽样条件下多重插补法处理缺失数据的基本思想，分析可忽略无回答的分层随机抽样建立多重插补的常用方法，并通过实例加以说明。 - Methods: The self-designed questionnaires were used to anonymously investigate on179 students in19 academies of the university who were selected by stratified random sampling.
方法：运用笔者自行编制的问卷，采取分层随机抽样的方法对山西师范大学19个专业的179名大学生进行匿名调查。 - The authors take the students of Gansu Lianhe University as objects of study, using stratified random sampling method taking samples of1000.
作者以甘肃联合大学学生为研究对象，采用分层随机抽样法抽取样本1000名进行调查。 - Proportion allocation in stratified random sampling
按比例分层随机抽样 - Research mainly use the way of questionnaire survey, it conducted a stratified random sampling from undergraduate students of some independent college;
研究以问卷调查为主的方式，对某独立学院在校大学生进行了随机分层取样调查； - METHOD Using stratified random sampling method.
方法采用分层随机抽样方法。 - The Stratified Random Sampling Method and Small Sample Testing
分层随机抽样方法与小子样检验 - Methods General investigation was adopted to understand the water supply situation in rural areas and stratified random sampling was used to monitor the water quality.
方法按照相关调查表要求，对农村供水情况进行普查，供水水质采用分层随机抽样的方法进行监测。 - The investigative objects are chosen in the way of stratified random sampling.
被试的抽取按照分层随机抽样的方式进行。 - After briefly introducing a simple random sampling and a stratified random sampling method, we analytically show that the latter can provide an estimate of the comprehensive roughness profile over the network with a smaller deviation.
论文简要介绍了简单随机抽样、分层随机抽样方式，通过分析说明后者能够对路面网络的粗糙度样本提供更全面的估计，而且其偏差更小。 - [ Methods] A self-rating scale of sleep ( SRSS) and self-designed questionnaire were applied to investigate university students by stratified random sampling.
[方法]运用睡眠状况自评量表（SRSS）及自行设计的睡眠影响因素调查问卷对我校在校大学生进行分层随机抽样调查。 - [ Methods] Malaria incidence was surveyed over family-to-family by stratified random sampling method. Actual malaria incidence and rate of missing report were estimated by Capture-re-capture method ( CRM).
[方法]采取不等比例分层随机抽样方法，逐户调查疟疾发病情况，采用捕获一再捕获法（Capturere-capturemethod，CRM）估计、分析全县疟疾实际发病率和漏报率。 - Estimation of the Geometric Mean in Stratified Random Sampling
分层抽样中几何平均数的估计 - Methods By using the stratified random sampling method, a questionnaire field study was carried out.
方法按分层随机抽样方法，进行现场问卷调查。 - Methods A total of 7,881 urban residents from Guangxi Province were enumerated using the multistage and stratified random sampling method. Questionnaire and physical exam were performed in the sampling population.
方法运用多阶段分层随机抽样法，对广西城市人群7881人进行现场问卷调查和体格检查。 - This study investigated foreign language reading anxiety and its relationships to CET4 and gender. Based on stratified random sampling, 211 subjects were selected.
利用外语阅读焦虑和外语课堂焦虑量表，对通过分层随机抽样得到的211名非英语专业二年级大学生进行了测试，并就阅读焦虑与英语四级统考成绩及性别的关系进行了研究。 - Overall, stratified random sampling may increase precision of estimation and decrease sampling error.
总之，分层随机抽样可以提高估计精度，减少抽样误差。 - For the components of diet and life style, the samples were taken by a stratified random sampling method.
方法人口学资料用专项登记收集，膳食结构与生活习惯用多阶段随机抽样法调查。 - Methods The number of samples was calculated with the optimum allocation stratified random sampling survey.
应用最优分配随机分层抽样方法确定调查点。 - Firstly, representative testing samples are gathered by stratified random sampling method.
首先，采用分层随机抽样方法选择典型的、有代表性的测试样本。 - Using stratified random sampling, the survey sample contains the provincial level of secondary school teachers and students of secondary school teachers and students and non-provincial level.
运用分层随机抽样，调查的样本由省一级中学的师生和非省一级中学的师生构成。 - In order to know some related questions about Jinzhong primary school carrying out the shuttlecock, the author stratified random sampling method to interview 104 Jinzhong primary school of 1200 Jinzhong primary school based on school development scale and regional.
为了了解晋中市小学开展毽球运动的相关问题，笔者以分层随机抽样的方法，在照顾学校发展规模、地域等前提下，从晋中市的1200多所小学中抽取了104所学校进行调查。 - With respect to the ranges of RMSE, the minimum RMSE can be achieved by the simulated annealing sampling model and stratified random sampling model.
RMSE极差最小为模拟退火和分层随机采样模式。 - Method: Form the multilevel stratified random sampling, we sampled six communities from the two street offices.
对象和方法：通过多阶段分层随机抽样方法抽取天山区2个街道办事处6个社区。