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单词
stratified sampling
释义
stratified sampling
Encyclopedia
理学
【核心概念】
释
stratified sampling
分层抽样
将总体单元按其属性特征分成若干类型或层，然后在类型或层中随机抽取样本单元的概率抽样方法。又称类型抽样、分类抽样。
理学
采样理论
释
stratified sampling
分层采样
研究者可将整个总体分成不同子群或层，然后按照比例从不同层随机选取最终样本的方法。是一种概率采样技术。
Mathematics
＞数理统计＞抽样与统计过程控制＞释义
stratified sampling
分层抽样
stratified sampling
分层抽样
†
Chemistry
＞分析化学＞化学计量学＞释义
stratified sampling
分层抽样
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