3 papers
stat.ME2026
Constrained Weighted Bayesian Bootstrap
Sam Rosen, Jason Xu
We prove the weighted Bayesian bootstrap, a method for approximate sampling of a posterior distribution, can be extended to sample from general constrained posterior distributions…
stat.ML2026
Affinity Graph Connectivity in Convex Clustering
Sam Rosen, Jason Xu
We generalize finite-sample bounds for convex clustering to the setting where affinity weights appearing in the objective correspond to a general connected graph. These bounds and…
stat.ML2026
Biconvex Biclustering
Sam Rosen, Eric C. Chi, Jason Xu
This article proposes a biconvex modification to convex biclustering in order to improve its performance in high-dimensional settings. In contrast to heuristics that discard a subs…