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stat.ML2026
Factor Augmented High-Dimensional SGD
Shubo Li, Yuefeng Han, Xiufan Yu
Stochastic gradient descent (SGD) is a fundamental optimization algorithm widely used in modern machine learning. In this paper, we propose Factor-Augmented SGD (FSGD), a new optim…
stat.ML2025
Supervised Dynamic Dimension Reduction with Deep Neural Network
Zhanye Luo, Yuefeng Han, Xiufan Yu
This paper studies the problem of dimension reduction, tailored to improving time series forecasting with high-dimensional predictors. We propose a novel Supervised Deep Dynamic Pr…
stat.ML2025
Covariate-Adjusted Deep Causal Learning for Heterogeneous Panel Data Models
Guanhao Zhou, Yuefeng Han, Xiufan Yu
This paper studies the task of estimating heterogeneous treatment effects in causal panel data models, in the presence of covariate effects. We propose a novel Covariate-Adjusted D…