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An introduction to instrumental variable assumptions, validation and estimation
The instrumental variable method has been employed within economics to infer causality in the presence of unmeasured confounding. Emphasising the parallels to randomisation may increase understanding of the underlying assumptions within epidemiology. An instrument is a variable that predicts exposur...
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2018
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5776781/ https://www.ncbi.nlm.nih.gov/pubmed/29387137 http://dx.doi.org/10.1186/s12982-018-0069-7 |