2 papers
stat.ME2026
Uncertainty-Aware Ideal Point Estimation via Variational EM
Kwangok Seo, Youngjo Lee, Jong Hee Park +2
Roll-call data analysis aims to estimate legislators' ideal points and quantify the associated uncertainty. Existing approaches either rely on Bayesian methods implemented via Mark…
stat.AP2025
-Regularized Item Response Theory Model for Robust Ideal Point Estimation
Kwangok Seo, Johan Lim, Seokho Lee +1
Ideal point estimation methods face a significant challenge when legislators engage in protest voting -- strategically voting against their party to express dissatisfaction. Such v…