2 papers
stat.ME2026
Complex trend inference for high-dimensional piecewise locally stationary time series
Lujia Bai, David Veitch, Weichi Wu +2
This paper studies high-dimensional trend inference for piecewise smooth signals under nonstationary noise and asynchronous structural breaks by first detecting asynchronous change…
stat.ME2025
Rank-adaptive covariance testing with applications to genomics and neuroimaging
David Veitch, Yinqiu He, Jun Young Park
In biomedical studies, testing for differences in covariance offers scientific insights beyond mean differences, especially when differences are driven by complex joint behavior be…