Parametric Proportional Odds Frailty Models. - Polychronis Economou; Chrysseis Caroni (Commun. Stat. Simul. Comput., 2007)

Graphical Tests for the Frailty Distribution in the Shared Frailty Model. - Polychronis Economou; Chrysseis Caroni (Commun. Stat. Simul. Comput., 2008)

A comparative study of methods to handle outliers in multivariate data analysis. - Christos Grentzelos; Chrysseis Caroni; Inmaculada Barranco-Chamorro (Comput. Math. Methods, 2021)