Causal inference and the data-fusion problem
Open accessAbstract
We review concepts, principles, and tools that unify current approaches to causal analysis and attend to new challenges presented by big data. In particular, we address the problem of data fusion—piecing together multiple datasets collected under heterogeneous conditions (i.e., different populations, regimes, and sampling methods) to obtain valid answers to queries of interest. The availability of multiple heterogeneous datasets presents new opportunities to big data analysts, because the knowledge that can be acquired from combined data would not be possible from any individual source alone. However, the biases that emerge in heterogeneous environments require new analytical tools. Some of these biases, including confounding, sampling selection, and cross-population biases, have been addressed in isolation, largely in restricted parametric models. We here present a general, nonparametric framework for handling these biases and, ultimately, a theoretical solution to the problem of data fusion in causal inference tasks.
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A causal model of the data generating process can be used to identify regret-bounded policies following a distributional shift (sufficiency), with more accurate models allowing lower regret policies to be found.
“It is known that a causal model of the data generating process can be used to identify regret-bounded policies following a distributional shift (sufficiency), with more accurate models allowing lower regret policies to be found.”
From Robust agents learn causal world models (2024) · cites this paper as Bareinboim & Pearl, 2016
The paper’s “Summary Result 1 (Identification in Policy Evaluation)” describes identifying policy questions, and “Transportability and the Problem of Data Fusion” discusses estimating causal effects in populations with different distributions. These passages support using causal models to evaluate interventions after a distributional shift, but they do not establish regret bounds for policies or say that more accurate models yield lower-regret policies. Page numbers were not available in our copy. (LLM, conf=0.85)
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- Authors
- Bareinboim, E., & Pearl, J.
- Affiliations
- University of California, Los Angeles (US)
- Venue
- Proceedings of the National Academy of Sciences
- Publisher
- National Academy of Sciences
- Published
- 2016-07-05
- Volume
- 113
- Issue
- 27
- Pages
- 7345-7352
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- PMC
- PMC4941504
- OpenAlex
- W2466989778
- Cited by
- 621
- References
- 12
- Citations by year
- 2026: 63 · 2025: 59 · 2024: 63 · 2023: 90 · 2022: 73 · 2021: 96 · 2020: 62 · 2019: 55 · 2018: 33 · 2017: 20 · 2016: 7
- FWCI
- 38.84
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Proceedings of the National Academy of Sciences (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- eScholarship (California Digital Library) (submittedVersion)
- Topics
- Physical Sciences › Mathematics › Statistics and Probability › Advanced Causal Inference Techniques
- Physical Sciences › Mathematics › Statistics and Probability › Statistical Methods and Inference
- Physical Sciences › Computer Science › Artificial Intelligence › Bayesian Modeling and Causal Inference
- Keywords
- causal inference, data fusion, data heterogeneity, big data, confounding
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