The Modified Lindley Distribution Through Convex Combination with Applications in Engineering
Afaq Ahmad (),
A. A. Bhat,
S. P. Ahmad and
Raheela Jan
Additional contact information
Afaq Ahmad: Islamic University of Science and Technology
A. A. Bhat: Islamic University of Science and Technology
S. P. Ahmad: University of Kashmi
Raheela Jan: University of Kashmi
Annals of Data Science, 2025, vol. 12, issue 5, No 2, 1463-1478
Abstract:
Abstract This paper introduces a Modified Lindley distribution using a convex combination of exponential and gamma distribution. The fundamental properties of the proposed distribution such as the shapes of the distribution, moments, mean, variance, reliability, hazard rate, moment generating function, stochastic ordering and the distribution of order statistics have been derived. The proposed distribution is observed to be a heavy-tailed distribution and can also be used to model data with upside-down bathtub shape for its hazard rate function. The maximum likelihood estimators of the unknown parameters of the proposed distribution have been obtained. Two numerical examples are given to demonstrate the applicability of the proposed distribution and for the two real data sets, the proposed distribution is found to be superior in its ability to sufficiently model heavy-tailed data than many other models.
Keywords: Lindley distribution; Convex combination; Moments; Stochastic ordering; Estimation techniques; Applications (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:spr:aodasc:v:12:y:2025:i:5:d:10.1007_s40745-024-00569-6
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DOI: 10.1007/s40745-024-00569-6
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