2 papers
stat.ME2026
Leave-one-out testing for node-level differences in Gaussian graphical models
Davide Benussi, Ester Alongi, Erika Banzato
We study two-sample equality testing in Gaussian graphical models. Classical likelihood ratio tests on decomposable graphs admit clique-wise factorizations, offering limited locali…
math.ST2025
Existence of Direct Density Ratio Estimators
Erika Banzato, Mathias Drton, Kian Saraf-Poor +1
Many two-sample problems call for a comparison of two distributions from an exponential family. Density ratio estimation methods provide ways to solve such problems through direct…