stratified sampling的意思|示意
[统计] 分层抽样，[统计] 分层取样；成层抽样
stratified sampling相关短语
1、 stratified sampling method 分层抽样法
2、 method of stratified sampling 分层取样法,分层抽样法
3、 area stratified sampling 区域分层抽样
4、 disproportionate stratified sampling 不等比例分层抽样,非比率分层抽样法
5、 covariance for stratified sampling 分层抽样协方差
6、 proportionate stratified sampling 比率分层抽样法
7、 stratified sampling of water 分层取水样
8、 Stratified sampling with optimum allocation 最优配置法
9、 gains from proportionate stratified sampling 按比例分层抽样的得益
stratified sampling相关例句
Methods: With stratified sampling and cluster sampling, we investigate 487 families in poverty.
方法采用分层整群抽样方法调查487户贫困家庭.
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Methods A large - scale survey was conducted at 250 medical health units based on stratified sampling.
方法使用分层抽样的方法在全国范围内抽取250家医疗机构开展大规模调查.
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