2 papers
stat.ME2025
EM Approaches to Nonparametric Estimation for Mixture of Linear Regressions
Andrew Welbaum, Wanli Qiao
In a mixture of linear regression model, the regression coefficients are treated as random vectors that may follow either a continuous or discrete distribution. We propose two Expe…
math.ST2024
Confidence Regions for Filamentary Structures
Wanli Qiao
Filamentary structures, also called ridges, generalize the concept of modes of density functions and provide low-dimensional representations of point clouds. Using kernel type plug…