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Invited Commentary: Positivity in Practice
Positivity, or the experimental treatment assignment assumption, requires that there be both exposed and unexposed participants at every combination of the values of the observed confounders in the population under study. Positivity is essential for inference but is often overlooked in practice by e...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Oxford University Press
2010
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2877454/ https://ncbi.nlm.nih.gov/pubmed/20139125 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1093/aje/kwp436 |
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