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- Title
The Odd Log-Logistic Dagum Distribution: Properties and Applications.
- Authors
DOMMA, FILIPPO; EFTEKHARIAN, ABBAS; AFIFY, AHMED Z.; ALIZADEH, MORAD; GHOSH, INDRANIL
- Abstract
This paper introduces a new four-parameter lifetime model called the odd log-logistic Dagum distribution. The new model has the advantage of being capable of modeling various shapes of aging and failure criteria. We derive some structural properties of the model odd log-logistic Dagum such as order statistics and incomplete moments. The maximum likelihood method is used to estimate the model parameters. Simulation results to assess the performance of the maximum likelihood estimation are discussed. We prove empirically the importance and flexibility of the new model in modeling real data.
- Subjects
ESTIMATION theory; DEPENDENCE (Statistics); BAYESIAN analysis; PITMAN'S measure of closeness; ALGORITHM research
- Publication
Colombian Journal of Statistics / Revista Colombiana de Estadística, 2018, Vol 41, Issue 1, p109
- ISSN
0120-1751
- Publication type
Article
- DOI
10.15446/rce.v41n1.66542