This paper focuses on the problem of maximum likelihood estimation in linear mixed-effects models where outliers or unduly large observations are present in clustered or longitudinal data.

The parameters in the model have a proportional hazards interpretation in terms of multivariate discrete time data with ordinal responses. Using data from a psychological example, the proposed method ...

In the Southeastern US, a pediatric-to-adult HIV care transition model shows low viral suppression despite optimal engagement; regional politics and HIV stigma hinder its success.

Learn about mixed economies blending capitalism and socialism. Explore their features, benefits, and challenges in this comprehensive guide.