The many weak instruments problem and Mendelian randomization

Instrumental variable estimates of causal effects can be biased when using many instruments that are only weakly associated with the exposure. We describe several techniques to reduce this bias and estimate corrected standard errors. We present our findings using a simulation study and an empirical...

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Detaylı Bibliyografya
Yayımlandı:Stat Med
Asıl Yazarlar: Davies, Neil M, von Hinke Kessler Scholder, Stephanie, Farbmacher, Helmut, Burgess, Stephen, Windmeijer, Frank, Smith, George Davey
Materyal Türü: Artigo
Dil:Inglês
Baskı/Yayın Bilgisi: BlackWell Publishing Ltd 2015
Konular:
Research Articles
Online Erişim:https://ncbi.nlm.nih.gov/pmc/articles/PMC4305205/
https://ncbi.nlm.nih.gov/pubmed/25382280
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/sim.6358
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