2 papers
stat.ME2026
Dirichlet kernel density estimation on the simplex with missing data
Sami Baraket, Hanen Daayeb, Salah Khardani +2
Nonparametric density estimation for compositional data supported on the simplex is examined under a missing at random mechanism. Rather than imputing missing values and estimating…
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…