2 papers
stat.ME2026
Semiparametric copula-based quantile regression for semicontinuous outcomes with application to healthcare data
Guanjie Lyu, Mohamed Belalia, Abdulkadir Hussein
A semiparametric copula-based two-part quantile regression framework is developed for the analysis of semicontinuous outcomes characterized by a point mass at zero and a continuous…
math.ST2023
Testing equality between two-sample dependence structure using Bernstein polynomials
Guanjie Lyu, Mohamed Belalia
Tests of equality of copulas between two samples are introduced and studied using the empirical Bernstein copula process. Three statistics are proposed and their asymptotic propert…