Simulated Power Analyses for Observational Studies: An Application to the Affordable Care Act Medicaid Expansion
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Power is an important factor in assessing the likely validity of a statistical estimate. An analysis with low power is unlikely to produce convincing evidence of a treatment effect even when one exists. Of greater concern, a statistically significant estimate from a low-powered analysis is likely to
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美国国家经济研究局创建时间：
2019-02-01
