stratified sampling是什么意思

网络释义

用法例句

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

Improved stratified sampling technique and performance research;

改进型分层抽样技术及性能研究

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

In this model,the equivalent stress was considered as a stratification sampling paramenter.

其次根据分层抽样法的基本思想,建立了一种考虑对蠕变损伤失效概率区间分情况抽样的蒙特卡洛分层抽样方法。

And the importance sampling arithmetic combining with stratification sampling was proposed, too.

在Longstaff和Schwartz(LS,2001)提出的基于多项式函数逼近的美式期权仿真定价基础上,给出美式期权重要性抽样仿真方法----顺推法及其具体算法,同时给出重要性与分层抽样相结合的算法。

Stratified sampling and portion stratified sampling are separately used to define the amount of samples that reflect the average status and status distributing of highway network.

以路网所采集数据中的路面状况PCI值为控制指标,引用分层抽样和成数分层抽样方法,确定反映路网平均状态及路网状态分布所需调查的样本大小。

gains from proportionate stratified sampling

按比例分层抽样的得益

The Method of Mixed two-phase Stratified Sampling in Market Research;

市场调研中的混合双重分层抽样方法

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

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。

Stratified Random Sampling on the Randomized Response Technique for Multi-class Sensitive Question Survey

多分类敏感问题RRT的分层抽样统计方法

Application of Stratified Sampling in Fishery Production Statistics;

分层抽样法应用于渔业生产统计的研究

Parameter Estimation Method of Logistic Regression Model in the Condition of Stratum Sample Survey;

分层抽样条件下Logistic回归模型的参数估计方法

The Application of Streaming-sampling Technique in the Auditing of Receivables;

分层抽样技术在应收账款审计中的应用

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

Research on Stratified Sampling Method of Vehicle Equipment Quality in War-Preparedness Phase

作战准备车辆装备质量分层抽样方法研究

Methods Investigate the medical staffs of sample hospital with survey forms.

方法对样本单位采用分层抽样方法进行问卷调查。

Proportion allocation in stratified random sampling

按比例分层随机抽样

timates in stratified random sampling

分层随机抽样的比率估计值

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。

Time Stratified Adaptive Packet Sampling Based on Traffic Load

基于流量负载自适应的时间分层分组抽样

Methods Stratified chester random sampling.

方法采用分层整群随机抽样的调查方法。

The Theoretic Structure and Computerized Realization of Stratified Audit Sampling;

分层审计抽样的理论架构与计算机实现

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