collaborators

5 papers

stat.ML2026

Beyond Procedure: Substantive Fairness in Conformal Prediction

Pengqi Liu, Zijun Yu, Mouloud Belbahri +3

Conformal prediction (CP) offers distribution-free uncertainty quantification for machine learning models, yet its interplay with fairness in downstream decision-making remains und…

stat.ML2026

On the Burden of Achieving Fairness in Conformal Prediction

Ziang Gao, Pengqi Liu, Archer Yi Yang +3

Conformal prediction is often calibrated with a single pooled threshold, but this can hide cross-group heterogeneity in score distributions and distort group-wise coverage. We stud…

stat.ML2026

Pause and Reflect: Conformal Aggregation for Chain-of-Thought Reasoning

Yu Gu, Zijun Yu, Vahid Partovi Nia +1

Chain-of-thought (CoT) reasoning with self-consistency improves performance by aggregating multiple sampled reasoning paths. In this setting, correctness is no longer tied to a sin…

stat.ME2026

Detection of Multiple Influential Observations on Model Selection

Dongliang Zhang, Masoud Asgharian, Martin A. Lindquist

Outlying observations are frequently encountered across a wide spectrum of scientific domains, posing notable challenges to the generalizability of statistical models and the repro…

stat.ME2026

Assessing Influential Observations in Pain Prediction using fMRI Data

Dongliang Zhang, Masoud Asgharian, Martin A. Lindquist

Neuroimaging data allows researchers to model the relationship between multivariate patterns of brain activity and outcomes related to mental states and behaviors. However, the exi…