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Instrumental variables in Gaussian directed acyclic graph models with an unobserved confounder
We discuss the problem of identification of relevant parameters in a DAG model for Gaussian variables with one unobserved variable that acts as a counfounder. We first make explicit what we intend for identification and then discuss an example where a modified notion of instrumental variable renders a system with a confounder identifiable. Copyright © 2004 John Wiley & Sons, Ltd.
Instrumental variables in Gaussian directed acyclic graph models with an unobserved confounder
We discuss the problem of identification of relevant parameters in a DAG model for Gaussian variables with one unobserved variable that acts as a counfounder. We first make explicit what we intend for identification and then discuss an example where a modified notion of instrumental variable renders a system with a confounder identifiable. Copyright © 2004 John Wiley & Sons, Ltd.
Instrumental variables in Gaussian directed acyclic graph models with an unobserved confounder
Stanghellini, Elena (author)
Environmetrics ; 15 ; 463-469
2004-08-01
7 pages
Article (Journal)
Electronic Resource
English
Instrumental variables in Gaussian directed acyclic graph models with an unobserved confounder
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