1.
Proportion allocation in stratified random sampling
按比例分层随机抽样
2.
timates in stratified random sampling
分层随机抽样的比率估计值
3.
Multiple Impution for Missing Data in Stratified Random Sampling
分层随机抽样条件下缺失数据的多重插补方法
4.
Methods The investigated sites were selected by cluster sampling from13 cities.
方法在13个市采用整群分层随机抽样的方法选择调查点。
5.
the population is divided into strata and a random sample is taken from each stratum.
总体分成阶层后由各阶层抽选出来的随机样本。
6.
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。
7.
Methods Stratified chester random sampling.
方法采用分层整群随机抽样的调查方法。
8.
random sampling
随机抽样,随机采样
9.
Stratified Cluster Sampling and Its Application on the Improved RRT Model for Sensitive Question Survey;
敏感问题改进的随机应答技术模型分层整群抽样研究及应用
10.
Estimation of parameters in stratified cluster sampling on randomized response technique for sensitive question survey
敏感问题随机应答技术模型分层整群抽样下参数的估计
11.
single random sampling
单次随机抽样 单次随机抽样
12.
simple random sampling
简单随机抽样 简单随机抽样
13.
covariance for simple random sampling
简单随机抽样协方差
14.
precision of simple random sampling
简单随机抽样精密度
15.
Hierarchical Information Extraction from Research Papers Based on Conditional Random Fields
基于条件随机场的科研论文信息分层抽取研究
16.
Comparision of Statistics Methods for Analysis of Multistage Clustered Randomized Data;
多阶段随机抽样数据统计分析方法比较
17.
The Sample Average Approximation Method for the Stochastic Variational Inequality Problem
一类随机变分不等式的抽样平均近似方法
18.
APPROXIMATION TO THE DISTRIBUTION OF M-ESTIMATES IN RANKED-SET SAMPLING BY RANDOMLY WEIGHTED BOOTSTRAP
序集抽样中M估计分布的随机加权逼近