Research & Awards
Research Interests
- Causal Inference
- Semi-supervised Learning
- Dynamic Treatment Regimes
- Machine Learning and Reinforcement Learning
- High-dimensional Statistics
Publications (* corresponding, # alphabetical order, † equal contribution, __ students)
- Yuqian Zhang, Weijie Ji, and Jelena Bradic (2026). Dynamic treatment effects: high-dimensional inference under model misspecification. Journal of the Royal Statistical Society: Series B, accepted. (This paper received the ICSA 2025 China Conference Junior Researcher Award.)
- Yuqian Zhang†, Abhishek Chakrabortty†, and Jelena Bradic† (2026). The decaying missing-at-random framework: model doubly robust causal inference with partially labeled data. IEEE Transactions on Information Theory, accepted. https://doi.org/10.1109/TIT.2026.3713863.
- Kai Chen and Yuqian Zhang* (2025). Semi-supervised linear regression: enhancing efficiency and robustness in high dimensions. Biometrics, 81(3), ujaf113. (Kai received the Second Prize for Outstanding Papers at the 8th National Statistics Doctoral Academic Forum.)
- Jelena Bradic#, Weijie Ji#, and Yuqian Zhang# (2024). High-dimensional inference for dynamic treatment effects. The Annals of Statistics, 52(2), 415–440.
- Yuqian Zhang†, Abhishek Chakrabortty†, and Jelena Bradic† (2023). Double robust semi-supervised inference for the mean: Selection bias under MAR labeling with decaying overlap. Information and Inference: A Journal of the IMA, 12(3), 2066–2159.
- Yuqian Zhang and Jelena Bradic (2022). High-dimensional semi-supervised learning: in search of optimal inference of the mean. Biometrika, 109(2), 387–403. (This paper received the 2021 Best Student Paper Award from the ASA Nonparametric Statistics Section.)
- Zheng Zhang, Kun Zhang, Xing Yan, Songshan Yang, and Yuqian Zhang (2026). Big Data in Economics and Management. Springer Nature Singapore.
Preprints
Awards and Honors
- Junior Researcher Award, International Chinese Statistical Association, 2025
- Best Student Paper Award (Nonparametric Statistics Section), American Statistical Association, 2021
- Teaching Assistant Award, Department of Mathematics, UC San Diego, 2019-2020
- Friends of the International Center Scholarship, UC San Diego, 2019
- Outstanding Graduate, Wuhan University, 2016
Research Grants
- The RUC Endurance Research Fund for Long-Term Basic Studies. "Statistical Foundations of Artificial Intelligence". Grant No. 26XNKJ31. 2026.07–2031.06. Principal Investigator.
- The NSFC Young Scientists Fund. "Statistical Inference Based on High-dimensional Semi-supervised Data". Grant No. 12301390. 2024.01–2026.12. Principal Investigator.
- The RUC Start-up Fund. "Semi-supervised Inference under Selection Bias". Grant No. 23XNKJ18. 2023.01–2025.12. Principal Investigator.
- The NSFC General Program. "Nonparametric Modeling and Inference for Continuous Treatment Effect". Grant No. 12371284. 2024.01–2027.12. Co-investigator (with Zheng Zhang).
Presentations
- Annual Conference of the FinTech and Big Data Technology Branch, National Society for Industrial Statistics Education and Research, August 2026
- Frontier Forum on Bayesian Statistics and Artificial Intelligence, August 2026
- The 4th Chinese Causal Inference Conference, July 2026
- The 8th Pacific Causal Inference Conference, July 2026
- The 4th Joint Conference on Statistics and Data Science & IMS-China, July 2026
- Young Researchers Workshop on Statistics and Data Science, July 2026
- Department of Mathematics, Hong Kong Baptist University, June 2026
- IMS Asia Pacific Rim Meeting 2026, June 2026
- 2026 Annual Meeting of the CAAS Committee on Multivariate Analysis Application, June 2026
- 2026 International Conference on Frontiers of Data Science, May 2026
- School of Economics and Management, Tsinghua University, March 2026
- Sanya Workshop on Causality and Machine Learning, January 2026
- 2025 Xiamen University Symposium on Modern Statistics, December 2025
- School of Mathematical Sciences, Shanghai Jiao Tong University, December 2025
- 2025 International Conference on Data Science and Brain-Inspired Intelligence, December 2025
- School of Statistics & Institute of Statistics and Big Data, Renmin University of China, September 2025
- The 8th International Conference on Econometrics and Statistics, August 2025
- The 3rd Chinese Causal Inference Conference, July 2025
- ICSA 2025 China Conference, June 2025
- School of Mathematics and Statistics, Wuhan University, June 2025
- 2025 Annual Meeting of the CAAS Committee on Multivariate Analysis Application, June 2025
- School of Management, University of Science and Technology of China, June 2025
- School of Statistics, Capital University of Economics and Business, May 2025
- School of Statistics & Institute of Statistics and Big Data, Renmin University of China, April 2025
- School of Statistics, East China Normal University, April 2025
- School of Mathematical Sciences, Tongji University, April 2025
- School of Management, Fudan University, April 2025
- School of Statistics and Mathematics, Central University of Finance and Economics, March 2025
- Guanghua School of Management, Peking University, February 2025
- School of Mathematics and Statistics, Wuhan University, January 2025
- Causal Inference: Bridging Theory and Practice, January 2025
- The 18th International Joint Conference CFE-CMStatistics, December 2024
- The 1st Macau International Conference on Business Intelligence and Analytics, December 2024
- School of Statistics and Data Science, Nankai University, December 2024
- School of Statistics and Management, Shanghai University of Finance and Economics, November 2024
- The 2nd International Conference on Machine Learning and Statistics, August 2024
- The 1st Joint Conference on Statistics and Data Science, July 2024
- IMS-China International Conference on Statistics and Probability, July 2024
- ICSA 2024 China Conference, June 2024
- School of Statistics and Data Science, Nankai University, May 2024
- School of Management, Fudan University, April 2024
- School of Statistics and Management, Shanghai University of Finance and Economics, April 2024
- The 2nd Chinese Causal Inference Conference, March 2024
- School of Statistics & Institute of Statistics and Big Data, Renmin University of China, November 2023
- IMS New Researcher Conference, August 2023
- Joint Conference on Statistics and Data Science in China, July 2023
- ICSA 2023 China Conference, June 2023
- The 1st Chinese Causal Inference Conference, May 2023
- School of Mathematics and Statistics, Wuhan University, April 2023
- School of Data Science, The Chinese University of Hong Kong, Shenzhen, March 2023
- Department of Applied Mathematics, The Hong Kong Polytechnic University, September 2022
- Interdisciplinary Seminar on "Data Science and Life and Health", October 2022
- The 5th International Conference on Econometrics and Statistics, June 2022
- Department of Family Medicine and Public Health, UC San Diego, April 2022
- ENAR 2022 Spring Meeting, March 2022
- 2021 Joint Statistical Meetings, August 2021
