3 papers
stat.ME2025
High-Dimensional Multi-Study Multi-Modality Covariate-Augmented Generalized Factor Model
Wei Liu, Qingzhi Zhong
Latent factor models that integrate data from multiple sources/studies or modalities have garnered considerable attention across various disciplines. However, existing methods pred…
stat.ME2024
High-Dimensional Covariate-Augmented Overdispersed Multi-Study Poisson Factor Model
Wei Liu, Qingzhi Zhong
Factor analysis for high-dimensional data is a canonical problem in statistics and has a wide range of applications. However, there is currently no factor model tailored to effecti…
stat.ME2024
High-Dimensional Covariate-Augmented Overdispersed Poisson Factor Model
Wei Liu, Qingzhi Zhong
The current Poisson factor models often assume that the factors are unknown, which overlooks the explanatory potential of certain observable covariates. This study focuses on high…