The complementary exponential power lifetime model
In this paper we propose a new lifetime distribution which can handle bathtub-shaped, unimodal, increasing and decreasing hazard rate functions. The model has three parameters and generalizes the exponential power distribution proposed by Smith and Bain (1975) with the inclusion of an additional shape parameter. The maximum likelihood estimation procedure is discussed. A small-scale simulation study examines the performance of the likelihood ratio statistics under small and moderate sized samples. Three real datasets illustrate the methodology.
Year of publication: |
2011
|
---|---|
Authors: | Barriga, Gladys D.C. ; Louzada-Neto, Franscisco ; Cancho, Vicente G. |
Published in: |
Computational Statistics & Data Analysis. - Elsevier, ISSN 0167-9473. - Vol. 55.2011, 3, p. 1250-1259
|
Publisher: |
Elsevier |
Keywords: | Exponential power distribution Bathtub shaped hazard function Unimodal hazard function Lifetime data |
Saved in:
Online Resource
Saved in favorites
Similar items by person
-
The Poisson-exponential lifetime distribution
Cancho, Vicente G., (2011)
-
The Poisson--exponential distribution: a Bayesian approach
Louzada-Neto, Francisco, (2011)
-
Planning accelerated life tests under Exponentiated-Weibull-Arrhenius model
Barriga, Gladys D.C., (2008)
- More ...