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Using an instrumental variable to test for unmeasured confounding
An important concern in an observational study is whether or not there is unmeasured confounding, that is, unmeasured ways in which the treatment and control groups differ before treatment which affect the outcome. We develop a test of whether there is unmeasured confounding when an instrumental var...
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| Asıl Yazarlar: | , , , |
|---|---|
| Materyal Türü: | Artigo |
| Dil: | Inglês |
| Baskı/Yayın Bilgisi: |
2014
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| Konular: | |
| Online Erişim: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4145076/ https://ncbi.nlm.nih.gov/pubmed/24930696 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/sim.6227 |
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