Detection of influential observations in ridge regression and modified ridge regression. - Semra Türkan; Öniz Toktamis (Model. Assist. Stat. Appl., 2012)

A Jackknifed estimators for the negative binomial regression model. - Semra Türkan; Gamze Özel (Commun. Stat. Simul. Comput., 2018)

Influence diagnostics in geographically weighted ridge regression. - Semra Türkan (Commun. Stat. Simul. Comput., 2025)