3 papers
stat.ME2026
Generalized projection tests for function-valued parameters with applications to testing structural causal assumptions
Rui Wang, Albert Osom, Bo Zhang
Structural assumptions are central to the causal inference literature. In practice, it is often crucial to assess their validity or to test implications that follow from them. In m…
stat.ML2025
Computational Efficient and Minimax Optimal Nonignorable Matrix Completion
Yuanhong A, Guoyu Zhang, Yongcheng Zeng +1
While the matrix completion problem has attracted considerable attention over the decades, few works address the nonignorable missing issue and all have their limitations. In this…
stat.ME2025
Leveraging Shared Factor Structures for Enhanced Matrix Completion with Nonconvex Penalty Regularization
Yuanhong A, Xinyan Fan, Bingyi Jing +1
This article investigates the problem of noisy low-rank matrix completion with a shared factor structure, leveraging the auxiliary information from the missing indicator matrix to…