3 papers
stat.ML2025
Active Subspaces in Infinite Dimension
Poorbita Kundu, Nathan Wycoff
Active subspace analysis uses the leading eigenspace of the gradient's second moment to conduct supervised dimension reduction. In this article, we extend this methodology to real-…
stat.ME2025
Decision Theoretic Subgroup Detection With Bayesian Machine Learning
Entejar Alam, Poorbita Kundu, Antonio R. Linero
We consider the problem of identifying promising subpopulations in terms of treatment effectiveness or treatment effect heterogeneity, from a Bayesian decision theoretic perspectiv…
stat.ME2025
Exceedance and force of centrality for functional data
Poorbita Kundu, Hang Zhou, Hans-Georg Müller
Exceedance refers to instances where a dynamic process surpasses given thresholds, e.g., the occurrence of a heat wave. We propose a novel exceedance framework for functional data,…