About Me

Hello! I’m Wenqian Xu. I recently completed my M.Sc. in Statistics and Management at Shanghai University of Finance and Economics (SUFE), where I worked with Dr. Fan Zhou. I received my B.Sc. in Statistics from the China University of Geosciences, advised by Dr. Deyi Xu and Dr. Yongguang Zhu. I am currently collaborating with Dr. Feng Ji at the University of Toronto on computational modeling in psychology.

My research focuses on how humans learn and make decisions. I combine reinforcement learning with psychometric modeling to quantify individual decision abilities and support ability assessment in complex environments.I am also interested in advancing interpretable and robust RL methods, and in data quality for machine learning and large language models. You can find a selection of my projects here.

Additionally, I keep a Chinese Page where I occasionally write about my life.

Education

Sep 2022 -- Jun 2024
Master of Science in Applied Statistics
Shanghai University of Finance and Economics
GPA: 3.58 out of 4.0
  • Academic scholarship(2022, 2023)
Sep 2018 -- Jun 2022
Bachelor of Science in Statistics
China University of Geosciences
GPA: 4.04 out of 5.0
  • Ranking: 1/26
  • 13th Li Siguang Program (selective, <40 students annually)
  • Outstanding Undergraduate Thesis (<5% awarded)
  • National Scholarship(2019), Academician Scholarship(2021)

Projects and Publications

Psychometric Reinforcement Learning (Psychometric RL)
Reinforcement Learning Psychometrics
Psychometric Reinforcement Learning (Psychometric RL)
Reinforcement learning as a measurement model for estimating individual decision abilities
InfluenceDriven Training
Explainable AI Sensitivity Analysis ICLR 2025
InfluenceDriven Training
Enhancing Prediction Performance through Influence Measure
MBRL with BDE
Reinforcement Learning
MBRL with BDE
Improving Reinforcement Learning via Bayesian Dynamic Ensembles
Prochlorococcus and Global Warming
Interdisciplinary Studies
Prochlorococcus and Global Warming
Diverse Subclade Differentiation Attributed to the Ubiquity of Prochlorococcus High-Light-Adapted Clade II