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关注:1
2013-05-23 12:21
求翻译:the sampling weights (Table 6 of Appendix A) are approximately 20% lower. This is probably because the weights eliminate some of the sample’s bias towards “better”是什么意思?![]() ![]() the sampling weights (Table 6 of Appendix A) are approximately 20% lower. This is probably because the weights eliminate some of the sample’s bias towards “better”
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