s-ID: Causal Effect Identification in a Sub-Population
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Abstract (arXiv)
Causal inference in a sub-population involves identifying the causal effect of an intervention on a specific subgroup, which is distinguished from the whole population through the influence of systematic biases in the sampling process. However, ignoring the subtleties introduced by sub-populations can either lead to erroneous inference or limit the applicability of existing methods. We introduce and advocate for a causal inference problem in sub-populations (henceforth called s-ID), in which we merely have access to observational data of the targeted sub-population (as opposed to the entire population). Existing inference problems in sub-populations operate on the premise that the given data distributions originate from the entire population, thus, cannot tackle the s-ID problem. To address this gap, we provide necessary and sufficient conditions that must hold in the causal graph for a causal effect in a sub-population to be identifiable from the observational distribution of that sub-population. Given these conditions, we present a sound and complete algorithm for the s-ID problem.
Key facts. Cited by 3 papers in the map (data through 14 Oct 2026). Builds on 11 of its 35 references that are in the map. First posted on arXiv 5 Sep 2023.
Builds on
11 of 35 references.
References · 11
- 2022Latent Hierarchical Causal Structure Discovery with Rank Constraintscited by 51
- 2013Learning Sparse Causal Models is not NP-hardcited by 49
- 2021Nested Counterfactual Identification from Arbitrary Surrogate Experimentscited by 38
- 2021Recursive Causal Structure Learning in the Presence of Latent Variables and Selection Biascited by 29
- 2019Ordering-Based Causal Structure Learning in the Presence of Latent Variablescited by 26
- 2020Identifying Causal Effects via Context-specific Independence Relationscited by 22
- 2020A Recursive Markov Boundary-Based Approach to Causal Structure Learningcited by 21
- 2022Revisiting the General Identifiability Problemcited by 13
- 2022Novel Ordering-based Approaches for Causal Structure Learning in the Presence of Unobserved Variablescited by 10
- 2021Causal Effect Identification with Context-specific Independence Relations of Control Variablescited by 8
- 2023On Identifiability of Conditional Causal Effectscited by 4
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Citing papers per year: 2024: 2; 2025: 0; 2026: 1.
3 papers.