A two-parameter weighted Lindley distribution and its applications to survival data

M.E. Ghitany, F. Alqallaf, D.K. Al-Mutairi and H.A. Husain

Mathematics and Computers in Simulation (MATCOM), 2011, vol. 81, issue 6, 1190-1201

Abstract: A two-parameter weighted Lindley distribution is proposed for modeling survival data. The proposed distribution has the property that the hazard rate (mean residual life) function exhibits bathtub (upside-down bathtub) or increasing (decreasing) shapes. Simulation studies are conducted to investigate the performance of the maximum likelihood estimators and the asymptotic confidence intervals of the parameters. Applications of the proposed model to real survival data are presented.

Keywords: Lindley distribution; Unimodality; Hazard rate function; Mean residual life function (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (22)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:81:y:2011:i:6:p:1190-1201

DOI: 10.1016/j.matcom.2010.11.005

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