2 papers
stat.ME2025
Learning Heterogeneous Ordinal Graphical Models via Bayesian Nonparametric Clustering
Wang Wen, Ziqi Chen, Guanyu Hu
Graphical models are powerful tools for capturing conditional dependence structures in complex systems but remain underexplored in analyzing ordinal data, especially in sports anal…
cs.LG2023
Nearest-Neighbor Sampling Based Conditional Independence Testing
Shuai Li, Ziqi Chen, Hongtu Zhu +2
The conditional randomization test (CRT) was recently proposed to test whether two random variables X and Y are conditionally independent given random variables Z. The CRT assumes…