2 papers
stat.ME2026
On the inverse of covariance matrices for unbalanced crossed designs
Ziyang Lyu, S. A. Sisson, A. H. Welsh
This paper addresses a long-standing open problem in the analysis of linear mixed models with crossed random effects under unbalanced designs: how to find an analytic expression fo…
stat.ME2025
Asymptotics for EBLUPs within crossed mixed effect models
Ziyang Lyu, S. A. Sisson, A. H. Welsh
In this article, we derive the joint asymptotic distribution of empirical best linear unbiased predictors (EBLUPs) for individual and cell-level random effects in a crossed mixed e…