...z-Thompson估计量的权数计算 关键词：复杂抽样 Horvitz-Thompson估计量 后分层权重 偏性 [gap=652]Key words：complex sampling, Horvitz-Thompson statistic, poststratification weights,bias ..
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... 简单不重复抽样 simple sampling without replacement 繁复抽样法 complex sampling 反复抽样 repeated sampling ...
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complex sampling unit 复合抽样单位
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