【摘 要】
：
The convemional Wilcoxon/Mann-Whitney tests may no longer be valid for comparing treatment effects in the presence of missing values or in observational stu
【机 构】
：
National University of Singapore
【出 处】
：
The Third IMS-China International Conference on Statistics a
论文部分内容阅读
The convemional Wilcoxon/Mann-Whitney tests may no longer be valid for comparing treatment effects in the presence of missing values or in observational studies.This is the case when both the nmissingness of the outcomes or the allocation of the treatments are dependent on certain pre-treatment variables.
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