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Diagnosing and responding to violations in the positivity assumption
The assumption of positivity or experimental treatment assignment requires that observed treatment levels vary within confounder strata. This article discusses the positivity assumption in the context of assessing model and parameter-specific identifiability of causal effects. Positivity violations...
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| Main Authors: | , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2010
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4107929/ https://ncbi.nlm.nih.gov/pubmed/21030422 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1177/0962280210386207 |
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