2 papers
stat.ME2026
Covariate-assisted Grade of Membership Models via Shared Latent Geometry
Zhiyu Xu, Yuqi Gu
The grade of membership model is a flexible latent variable model for analyzing multivariate categorical data through individual-level mixed membership scores. In many modern appli…
stat.ME2025
Latency-Response Theory Model: Evaluating Large Language Models via Response Accuracy and Chain-of-Thought Length
Zhiyu Xu, Jia Liu, Yixin Wang +1
The proliferation of Large Language Models (LLMs) necessitates valid evaluation methods to provide guidance for both downstream applications and actionable future improvements. The…