4 papers
Statistical Inference for Fuzzy Clustering
Qiuyi Wu, Zihan Zhu, Anru R. Zhang
Clustering is a central tool in biomedical research for discovering heterogeneous patient subpopulations, where group boundaries are often diffuse rather than sharply separated. Tr…
Subtype-Aware Registration of Longitudinal Electronic Health Records
Xin Gai, Shiyi Jiang, Anru R. Zhang
Electronic Health Records (EHRs) contain extensive patient information that can inform downstream clinical decisions, such as mortality prediction, disease phenotyping, and disease…
Blessing of dimension in Bayesian inference on covariance matrices
Shounak Chattopadhyay, Anru R. Zhang, David B. Dunson
Bayesian factor analysis is routinely used for dimensionality reduction in modeling of high-dimensional covariance matrices. Factor analytic decompositions express the covariance a…
Reliable Generation of Privacy-preserving Synthetic Electronic Health Record Time Series via Diffusion Models
Muhang Tian, Bernie Chen, Allan Guo +2
Electronic Health Records (EHRs) are rich sources of patient-level data, offering valuable resources for medical data analysis. However, privacy concerns often restrict access to E…