3 papers
stat.ME2021
Robust Estimation of Sparse Precision Matrix using Adaptive Weighted Graphical Lasso Approach
Peng Tang, Huijing Jiang, Heeyoung Kim +1
Estimation of a precision matrix (i.e., inverse covariance matrix) is widely used to exploit conditional independence among continuous variables. The influence of abnormal observat…
stat.AP2020
A Systematic Approach to Surveillance and Detection of Hierarchical Healthcare Cost Drivers and Utilization Offsets
Ta-Hsin Li, Huijing Jiang, Kevin Tran +3
There is strong interest among healthcare payers to identify emerging healthcare cost drivers to support early intervention. However, many challenges arise in analyzing large, high…
stat.AP2019
A Systematic Approach to Detect Hierarchical Healthcare Cost Drivers and Interpretable Change Patterns
Ta-Hsin Li, Huijing Jiang, Kevin Tran +3
There is strong interest among payers to identify emerging healthcare cost drivers to support early intervention. However, many challenges arise in analyzing large, high dimensiona…