3 papers
math.ST2023
Residual spectrum: Brain functional connectivity detection beyond coherence
Yuichi Goto, Xuze Zhang, Benjamin Kedem +1
Coherence is a widely used measure to assess linear relationships between time series. However, it fails to capture nonlinear dependencies. To overcome this limitation, this paper…
stat.AP2021
Financial Application of Extended Residual Coherence
Xuze Zhang, Benjamin Kedem
Residual coherence is a graphical tool for selecting potential second-order interaction terms as functions of a single time series and its lags. This paper extends the notion of re…
stat.AP2019
Estimation of Residential Radon Concentration in Pennsylvania Counties by Data Fusion
Xuze Zhang, Saumyadipta Pyne, Benjamin Kedem
A data fusion method for the estimation of residential radon level distribution in any Pennsylvania county is proposed. The method is based on a multi-sample density ratio model wi…