2 papers
stat.ME2025
A Nonparametric and Functional Wombling Methodology
Luke A. Barratt, John A. D. Aston
Wombling methods, first introduced in 1951, have been widely applied to detect boundaries and variations across spatial domains, particularly in biological, public health and meteo…
math.ST2024
Symmetry: a General Structure in Nonparametric Regression
Louis G. Christie, John A. D. Aston
In this paper we present the framework of symmetry in nonparametric regression. This generalises the framework of covariate sparsity, where the regression function depends only on…