Robust Estimation for Weibull Regression Model

M El-Gohary, E Yehia, A El-Raoof - التجارة والتمويل, 2022‎ - caf.journals.ekb.eg
Weibull regression model is one of the most prevalently used parametric regression models.
Estimation of the parameters of this model is affected by the presence of outliers. Outliers …

Robust Estimation for Beta Regression Model in the Presence of Outliers: A Comparative Study

ZMA El-Raoof, MM El-Gohary, EG Yehia - التجارة والتمويل, 2023‎ - journals.ekb.eg
Beta regression model is a widely known statistical model when the response variable has
the form of fractions or percentages. The maximum likelihood method is usually employed …