In addition to treatment assignments and observed outcomes, covariate information is often available prior to randomization in completely randomized experiments that compare an active treatment ver...

中文翻译：

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完全随机实验中的逆概率加权估计

除了治疗分配和观察到的结果之外，在比较积极治疗版本的完全随机实验中，在随机化之前通常可以获得协变量信息。