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二重抽样
释义
二重抽样
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
随便看
search algorithm
search and location technology
search and rescue communication system
search and rescue satellite
search-based software engineering
search based software engineering，SBSE
search coil
search direction
search engine
search engine architecture
search engine index
search engine marketing
search engine optimization
search equipment
searches of suspected persons based on the analysis of a criminal case
search for a moving target
Search for ExtraTerrestrial Intelligence
Search for Extraterrestrial Intelligence
search for extraterrestrial life
search for the 10th planet
search graph
search index compression
search infrared system
searching
searching ephemeris
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