Research

Methodology

Preprints

Distributional Evaluation of Generative Models via Relative Density Ratio

Yuliang Xu, Yun Wei, and Li Ma

2025 · Preprint · Under revision

arXiv Code

Talks & posters · Stellar Abstract Award Poster, STAI-X 2026 · Invited talk, PCIC 2026 · Invited talk, ICSA 2026

A tree-based kernel for densities and its applications in clustering DNase-seq profiles

Yuliang Xu, Kaixuan Luo, and Li Ma

2025 · Preprint · Under revision

arXiv Code

Talks & posters · Poster, Bayesian Nonparametrics (BNP 14), June 2025 · Invited talk, ICSA Applied Statistics Symposium, June 2025 · Invited talk, Michigan Biostatistics Brown Bag Seminar, 2025

Two-sample comparison through additive tree models for density ratios

Naoki Awaya, Yuliang Xu, and Li Ma

2025 · Preprint · Under review

arXiv Code

Matching for causal effects via multimarginal unbalanced optimal transport

Florian Gunsilius and Yuliang Xu

2021 · Preprint · Under review

arXiv Code

Publications

Bayesian Structured Mediation Analysis With Unobserved Confounders

Yuliang Xu, Shu Yang, and Jian Kang

2026 · Biometrics, 82(2), ujag110

arXiv Publisher Code

Talks & posters · Invited talk, Statistical Methods in Imaging (SMI), May 2025 · Poster, Duke StatsSci Research Alumni Symposium, November 2024

Scalable Bayesian Image-on-Scalar Regression for Population-Scale Neuroimaging Data Analysis

Yuliang Xu, Timothy D. Johnson, Thomas E. Nichols, and Jian Kang

2026 · Journal of the American Statistical Association, Applications and Case Studies

arXiv Publisher Code

Talks & posters · Topic-contributed talk, ENAR 2023

Bayesian Image Mediation Analysis

Yuliang Xu, Timothy D. Johnson, Mary Heitzeg, and Jian Kang

2026 · Journal of the American Statistical Association, Theory and Methods

arXiv Publisher Code

Talks & posters · Topic-contributed talk, JSM 2022 · ASA SBSS Student Paper Award, 2023

Bayesian Image Regression with Soft-thresholded Conditional Autoregressive Prior

Yuliang Xu and Jian Kang

2025 · International Conference on Learning Representations (ICLR)

OpenReview Publisher Code

Talks & posters · Invited online talk, Statistics in Imaging Virtual Working Group, December 2025 · Poster, ICLR, April 2025 · Invited talk, SMI 2026

Applications

Association of neighborhood socioeconomic status with outcomes in patients surviving stroke

Eric L. Stulberg, Erica Twardzik, Sehee Kim, Chia-Wei Hsu, Yuliang Xu, Philippa Clarke, Lewis B. Morgenstern, and Lynda D. Lisabeth

2021 · Neurology, 96(21), e2599–e2610

Overnight rostral fluid shifts exacerbate obstructive sleep apnea after stroke

Devin L. Brown, Azadeh Yadollahi, Kevin He, Yuliang Xu, Bryan Piper, Erin Case, Ronald D. Chervin, and Lynda D. Lisabeth

2021 · Stroke, 52(10), 3176–3183

mgee2: An R package for marginal analysis of longitudinal ordinal data with misclassified responses and covariates

Yuliang Xu, Shuo Shuo Liu, and Yi Grace Y.

2021 · The R Journal, 13(2), 419

Publisher

The impact of sociality and affective valence on brain activation: A meta-analysis

Shir Atzil, Ajay B. Satpute, Jiahe Zhang, Michael H. Parrish, Holly Shablack, Jennifer K. MacCormack, Joseph Leshin, Srishti Goel, Jeffrey A. Brooks, Jian Kang, Yuliang Xu, Matan Cohen, and Kristen A. Lindquist

2023 · NeuroImage, 268, 119879

Publisher