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.

Here is my Curriculum Vitae (updated in August 2025).


Recent News

09/2025 Learning from Similar Linear Representations is published in Journal of Machine Learning Research.
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.