2015
DOI: 10.1080/01966324.2015.1040178
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A new generalized gamma distribution with applications

Abstract: SYNOPTIC ABSTRACTThe modeling and analysis of lifetimes is an important aspect of statistical work in a wide variety of scientific and technological fields. We introduce and study the gamma-Nadarajah-Haghighi model, which can be interpreted as a truncated generalized gamma distribution (Stacy, 1962). It can have a constant, decreasing, increasing, upside-down bathtub or bathtub-shaped hazard rate function depending on the parameter values. We demonstrate that the new density function can be expressed as a mixt… Show more

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Cited by 16 publications
(12 citation statements)
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References 31 publications
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“…In [33], the authors use multivariate gamma distribution to investigate the performance of radio frequency and optical wireless communication systems. Gamma distribution and its extensions have also been used to model a variety of data and processes [1,3,21]. It is also used as a kernel function in nonparametric density estimation.…”
Section: Literaturementioning
confidence: 99%
“…In [33], the authors use multivariate gamma distribution to investigate the performance of radio frequency and optical wireless communication systems. Gamma distribution and its extensions have also been used to model a variety of data and processes [1,3,21]. It is also used as a kernel function in nonparametric density estimation.…”
Section: Literaturementioning
confidence: 99%
“…Other representations or extensions of the generalized gamma distribution exist in the literature; see, for example, the studies of Bourguignon et al, Cordeiro et al, and Nadarajah and Gupta. ()…”
Section: Series Representations For the Generalized Gamma Distributiomentioning
confidence: 99%
“…denotes the characteristic function of X, i = √ −1 and t ∈ R. Other representations or extensions of the generalized gamma distribution exist in the literature; see, for example, the studies of Bourguignon et al, Cordeiro et al, and Nadarajah and Gupta. [12][13][14] The following theorem shows that the density of a generalized gamma distribution may be represented as follows: (a) an infinite gamma-series expansion or (b) a mixture of generalized gamma distributions. Theorem 2.1.…”
Section: Series Representations For the Generalized Gamma Distributiomentioning
confidence: 99%
“…• The Zografos-Balakrishnan Nadarajah-Haghighi (ZBNH) distribution (Bourguignon et al, 2015) having pdf (for x > 0) given by…”
Section: Applicationsmentioning
confidence: 99%