On account of sample selection bias with unit behavior,it is disappointed that we only require excellent sampling design.
这种由于个体自我行为所导致的样本选择偏倚,单靠好的抽样设计,根本没有办法消除。
参考来源 - 样本选择模型及其在医疗费用研究中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
所有报告的样本误差比率包括了加权和抽样设计设计效应计算在内。
All reported margins of sampling error include the computed design effects for weighting and sample design.
本文提出了分层三阶段及以上抽样的自加权抽样设计方法。
The paper presents a typical self-weighting sample design for the stratified three-stage or over sampling.
这一方法已在实际抽样设计中成功地运用，并取得了满意的效果。
The method has been successfully applied to actual sample designs with satisfactory results obtained.
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