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double sampling
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double sampling
Encyclopedia
理学
数据收集模式
释
double sampling
二重抽样
一种分两步抽取样本的概率抽样方法:首先对从总体中随机抽取的样本量较大的样本(第一重样本)进行简单调查以获取有关总体的结构或辅助信息,然后从第一重样本中随机抽取一个样本量较小的样本(第二重样本);最终利用抽取的第二重样本对总体所研究的目标量进行估计。又称二相抽样、两相抽样。
Mathematics
>数理统计>抽样与统计过程控制>释义
double sampling
二重抽样
double sampling
双重抽样
†
,二次抽样
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