Open AccessDOI
A quasi Lindley distribution
Rama Shanker,A. Mishra +1 more
- Vol. 6, Iss: 4, pp 64-71
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TLDR
In this article, a two-parameter Quasi Lindley distribution (QLD) has been introduced and its moments, failure rate function, mean residual life function and stochastic orderings have been discussed.Abstract:
A two-parameter Quasi Lindley distribution (QLD), of which the Lindley distribution (LD) is a particular case, has been introduced. Its moments, failure rate function, mean residual life function and stochastic orderings have been discussed. It is found that the expressions for failure rate function, mean residual life function, and stochastic orderings of the QLD shows its flexibility over Lindley distribution and exponential distribution. Although, the QLD has two parameters, the expressions for coefficients of variation, skewness, and kurtosis depend upon only one parameter. The maximum likelihood method and the method of moments have been discussed for estimating its parameters. The distribution has been fitted to some data-sets to test its goodness of fit to which earlier the Lindley distribution has been fitted by others and it is found that to almost all these data-sets the QLD provides closer fits than those by the Lindley distribution.
Key words: Lindley distribution, moments, failure rate function, mean residual life function, stochastic ordering, estimation of parameters, goodness of fit.
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Citations
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TL;DR: More properties and simulations are proposed which offer a more flexible model for modeling lifetime data and various statistical properties like the quantile function, Lorenz curve, moment method, maximum likelihood estimation, entropy, and limiting distribution of extreme order statistics are established.
References
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Journal ArticleDOI
Lindley distribution and its application
TL;DR: A treatment of the mathematical properties is provided for the Lindley distribution, which includes moments, cumulants, characteristic function, failure rate function, mean residual life function, and mean deviations.
Journal ArticleDOI
Acquisition of resistance in guinea pigs infected with different doses of virulent tubercle bacilli.
Journal ArticleDOI
Generalized Lindley Distribution
Hojatollah Zakerzadeh,Ali Dolati +1 more
TL;DR: In this paper, a three-parameter generalization of the Lindley distribution is introduced, which exhibits decreasing, increasing and bathtub hazard rate depending on its parameters, including expo- nential and gamma distributions.