目的实例介绍倾向评分法的基本原理和适用条件，设计适用于分析二分类资料的SAS宏程序。
Objective Through introduction of principal theory and algorithm of propensity score to design SAS macro programs for binary data.
目的实例介绍倾向评分法的基本原理和适用条件，设计适用于分析二分类资料的SAS宏程序。
Objective Through introduction of principal theory and algorithm of propensity score to design SAS macro programs for binary data.
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