Ebalance:一个用于熵平衡的状态包

Jens Hainmueller, Yiqing Xu
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引用次数: 582

摘要

Stata软件包ebalance实现了熵平衡,这是Hainmueller(2012)中描述的一种多变量重加权方法,允许用户重加权数据集,使重加权数据中的协变量分布满足一组指定的矩条件。这对于在二元治疗的观察性研究中创建平衡样本是有用的,在二元治疗中,对照组数据可以重新加权以匹配治疗组的协变量矩。熵平衡还可以用于从目标人群中重新加权调查样本的已知特征。
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Ebalance: A Stata Package for Entropy Balancing
The Stata package ebalance implements entropy balancing, a multivariate reweighting method described in Hainmueller (2012) that allows users to reweight a dataset such that the covariate distributions in the reweighted data satisfy a set of specied moment conditions. This can be useful to create balanced samples in observational studies with a binary treatment where the control group data can be reweighted to match the covariate moments in the treatment group. Entropy balancing can also be used to reweight a survey sample to known characteristics from a target population.
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