Benha University

Ahmed Z. Afify

Asst. Professor

Faculty of Commerce Statistics,Math & Insurances

The xgamma family: censored regression modelling and applications.

Revstat Statistical Journal, REVSTAT – Statistical Journal • 2020
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Publication Information
Authors Cordeiro, G. M., Altun, E., Korkmaz, M. Ç., Pescim, R. R., Afify, A. Z. and Yousof, H. M.
Keywords Not Available
Journal Revstat Statistical Journal, REVSTAT – Statistical Journal
Publisher Not Available
Volume 18
Issue Not Available
Pages 593-612
publication.type International
Paper Link Open Link
Supplementary Materials Not Available
Abstract
In this paper, a new family of distributions with one extra shape parameter, called the xgamma-G, is proposed. comprehensive treatment of some of its mathematical properties including ordinary and incomplete moments and quantile and generating functions are derived. The unknown model parameters are estimated by the maximum likelihood method and the performance of the maximum likelihood estimators are assessed via two extensive simulation studies. Additionally, the log-location-scale regression model for censored data based on a special member of the family is introduced. The usefulness of the proposed models is illustrated utilizing three real data sets.
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