Yuqi Gu
Email: yuqi.gu@columbia.edu.
Address: Room 928 SSW, 1255 Amsterdam Avenue, New York, NY 10027
I am an Assistant Professor in the Department of Statistics at Columbia University. I am also a member of the Data Science Institute.
Before joining Columbia in 2021, I spent a year as a postdoc at Duke University, mentored by David B. Dunson.
In 2020 I received a Ph.D. in Statistics from the University of Michigan, advised by Gongjun Xu.
In 2015 I received a B.S. in Mathematics from Tsinghua University.
My first name can be pronounced as /ju:-tʃi:/. My name in Chinese is 顾雨琦.
My research centers around investigating unobserved latent structures widely present in statistics, machine learning, psychometrics and other applications:
- Identifiable and interpretable deep generative models and causal representation learning: I study identifiability and other essential properties of deep nonlinear probabilistic graphical models with latent representations. One goal is to propose more interpretable models and discover potential causal explanations.
- High-dimensional statistics with latent structures: The high dimensionality and the latent structures pose double challenges to statistical analyses. I aim to develop computationally efficient and statistically accurate methods, such as spectral methods and tensor methods, with theoretical guarantees to recover latent structures.
- Latent variable modeling in psychometrics and other applications: I develop principled statistical methods and theory to model educational and psychological data with substantively meaningful latent traits such as skills, attitudes, etc. I am also interested in other applications of latent variable modeling in biomedical sciences.
Recent News
| 09/2025 | Learning from Similar Linear Representations is published in Journal of Machine Learning Research. |
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| 04/2025 | Our paper Exploratory General-response Cognitive Diagnostic Models with Higher-order Structures is published in Psychometrika. |
| 04/2025 | Big congratulations to Ling Chen on successfully defending her PhD dissertation and becoming Dr. Chen! |
| 02/2025 | New preprint Minimax-Optimal Dimension-Reduced Clustering for High-Dimensional Nonspherical Mixtures. |
| 01/2025 | Big congratulations to Zhongyuan Lyu, who just accepted the position of Lecturer in Business Analytics (equivalent to US tenure-track Assistant Professor) at the University of Sydney’s Business School! |
| 01/2025 | Congratulations to Seunghyun Lee for winning the 2025 American Statistical Association (ASA) Student Paper Award from the Statistical Learning and Data Science Section for our work Deep Discrete Encoders! |
| 01/2025 | Our paper Degree-heterogeneous Latent Class Analysis for High-dimensional Discrete Data is accepted by Journal of the American Statistical Association (JASA). |
| 01/2025 | New preprint Deep Discrete Encoders: Identifiable Deep Generative Models for Rich Data with Discrete Latent Layers. |
| 12/2024 | New preprint Generalized Grade-of-Membership Estimation for High-dimensional Locally Dependent Data. |