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University of Cambridge > Talks.cam > Causal Inference Reading Group > Confounder selection via iterative graph expansion

## Confounder selection via iterative graph expansionAdd to your list(s) Download to your calendar using vCal - Richard Guo (University of Cambridge)
- Friday 27 October 2023, 15:30-17:00
- Centre for Mathematical Sciences, MR12.
If you have a question about this talk, please contact . Confounder selection, namely choosing a set of covariates to control for confounding between a treatment and an outcome, is arguably the most important step in the design of observational studies. Previous methods, such as Pearl’s celebrated back-door criterion, typically require pre-specifying a causal graph, which can often be difficult in practice. We propose an interactive procedure for confounder selection that does not require pre-specifying the graph or the set of observed variables. This procedure iteratively expands the causal graph by finding what we call “primary adjustment sets” for a pair of possibly confounded variables. This can be viewed as inverting a sequence of latent projections of the underlying causal graph. Structural information in the form of primary adjustment sets is elicited from the user, bit by bit, until either a set of covariates are found to control for confounding or it can be determined that no such set exists. We show that if the user correctly specifies the primary adjustment sets in every step, our procedure is both sound and complete.(paper) This talk is part of the Causal Inference Reading Group series. ## This talk is included in these lists:- All CMS events
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