Finite mixture of gamma distributions and applications
In this paper a new one parameter probability distribution “Finite Mixture of Gamma Distributions” is suggested from three com-ponent mixture of Exponential (θ), Gamma (4, θ) and Gamma (3,θ) with mixing proportions θ^2/(〖(θ〗^2+6θ+2)),6θ/(〖(θ〗^2+6θ+2)) and 2/(〖(θ〗^2+6θ+2)) respectively. Its first four moments and expressions for skew-ness, kurtosis, and coefficient of variation have been given. Various mathematical and statistical properties of the proposed distribu-tion, including hazard rate function, mean residual life function, and stress strength reliability, have been discussed. Estimation of the parameter has been discussed. The goodness of fit of the distribution has been discussed with two real-life data set and second-ary data. The fit has been compared with one-parameter life time distributions, including Exponential, Lindley, and Chris Jerry distributions.
Authors
- Rahul Radhakrishnan (ORCID: https://orcid.org/0000-0001-8818-0525)
- D. Venkatesan
- Prasanna Kumari B.
Institutions
- Annamalai University (IN)
- Kerala School of Mathematics (IN)
Publication Details
- Journal
- International Journal of Advanced Statistics and Probability
- Published
- 2025-05-05
- DOI
- https://doi.org/10.14419/n5f0mc55
- Primary Topic
- Statistical Distribution Estimation and Applications
- Type
- article
- Field-Weighted Citation Impact
- 0.00