Yan Li,Julia L Bienias,David A Bennett
Yan Li
A mediation effect explains the relationship of a risk factor and an outcome through a mediator variable which is a step in their pathway. Under the assumption of no cycling in the causal relationship, we consider various situations in whic...
A guide for multilevel modeling of dyadic data with binary outcomes using SAS PROC NLMIXED [0.03%]
基于SAS中PROC NLMIXED过程的二元结果双联数据多水平建模指南
James M McMahon,Enrique R Pouget,Stephanie Tortu
James M McMahon
In the social and health sciences, data are often structured hierarchically, with individuals nested within groups. Dyads constitute a special case of hierarchically structured data with variation at both the individual and dyadic level. An...