Propensity Score Matching - Statpower
Propensity Score Matching - Statpower
Propensity Score Matching - Statpower
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IntroductionModeling the CovariatesSubclassification<strong>Matching</strong>Balancing <strong>Score</strong>sThe <strong>Propensity</strong> <strong>Score</strong><strong>Matching</strong> MethodsUsing <strong>Propensity</strong> <strong>Score</strong>s – A General StrategyAn ExampleSubclassificationIntroductionHelpful SoftwareExact <strong>Matching</strong>SubclassificationNearest Neighbor <strong>Matching</strong>Optimal <strong>Matching</strong>When there are many covariates (or some covariates can take alarge number of values), finding sufficient exact matches willoften be impossible.The goal of subclassification is to form subclasses, such that ineach the distribution (rather than the exact values) of covariatesfor the treated and control groups are as similar as possible.Multilevel<strong>Propensity</strong> <strong>Score</strong> <strong>Matching</strong>
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