分类抽样 meaning in Chinese
sampling by classification
Examples
- Abstract : to settle the numbers of groups , the moth and features of group sampling are analysed , and its estimator is goven . then using cauchyschwartz unequility , it seeks the best apportion with finite cost
文摘:为了确定分类抽样的各类单位数,分析了分类抽样的抽取方法和特点,同时给出其简单估计,然后利用柯西-施瓦茨不等式推导出在给定调查费用情况下的最优分配