Estimating Social Influence from Observational Data
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Abstract (arXiv)
We consider the problem of estimating social influence, the effect that a person's behavior has on the future behavior of their peers. The key challenge is that shared behavior between friends could be equally explained by influence or by two other confounding factors: 1) latent traits that caused people to both become friends and engage in the behavior, and 2) latent preferences for the behavior. This paper addresses the challenges of estimating social influence with three contributions. First, we formalize social influence as a causal effect, one which requires inferences about hypothetical interventions. Second, we develop Poisson Influence Factorization (PIF), a method for estimating social influence from observational data. PIF fits probabilistic factor models to networks and behavior data to infer variables that serve as substitutes for the confounding latent traits. Third, we develop assumptions under which PIF recovers estimates of social influence. We empirically study PIF with semi-synthetic and real data from Last.fm, and conduct a sensitivity analysis. We find that PIF estimates social influence most accurately compared to related methods and remains robust under some violations of its assumptions.
Key facts. Cited by 5 papers in the map (data through 14 Oct 2026). Builds on 20 of its 42 references that are in the map. First posted on arXiv 24 Mar 2022.
Builds on
20 of 42 references.
References · 20
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8 more
- 2019Identification and Estimation of Causal Effects from Dependent Datacited by 8
- 2020Counterexamples to "The Blessings of Multiple Causes" by Wang and Bleicited by 8
- 2017Bias and high-dimensional adjustment in observational studies of peer effectscited by 7
- 2018Detecting Social Influence in Event Cascades by Comparing Discriminative Rankerscited by 3
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Citing papers per year: 2022: 2; 2023: 1; 2024: 0; 2025: 1; 2026: 1.
5 papers.
- 2026EdgeBench: Unveiling Scaling Laws of Learning from Real-World Environmentscited by 20
- 2022Using Embeddings for Causal Estimation of Peer Influence in Social Networkscited by 9
- 2022Identifying Peer Influence in Therapeutic Communities Adjusting for Latent Homophilycited by 1
- 2023Causal Influences over Social Learning Networkscited by 1
- 2025Detoxify: A framework for abusive text transformation using LLMscited by 0
- 2026EdgeBench: Unveiling Scaling Laws of Learning from Real-World Environments6 Jul 2026
- 2025Detoxify: A framework for abusive text transformation using LLMs14 Jul 2025
- 2023Causal Influences over Social Learning Networks13 Jul 2023
- 2022Using Embeddings for Causal Estimation of Peer Influence in Social Networks17 May 2022
- 2022Identifying Peer Influence in Therapeutic Communities Adjusting for Latent Homophily27 Mar 2022