3 papers
stat.ME2025
Upgrading survival models with CARE
William G. Underwood, Henry W. J. Reeve, Oliver Y. Feng +3
Clinical risk prediction models are regularly updated as new data, often with additional covariates, become available. We propose CARE (Convex Aggregation of relative Risk Estimato…
math.ST2025
Sharp Anti-Concentration Inequalities for Extremum Statistics via Copulas
Matias D. Cattaneo, Ricardo P. Masini, William G. Underwood
We derive sharp upper and lower bounds for the pointwise concentration function of the maximum statistic of identically distributed real-valued random variables. Our first main…
cs.SI2020
Motif-Based Spectral Clustering of Weighted Directed Networks
William George Underwood, Andrew Elliott, Mihai Cucuringu
Clustering is an essential technique for network analysis, with applications in a diverse range of fields. Although spectral clustering is a popular and effective method, it fails…