A generalized gamma distribution with application to drought data

Saralees Nadarajah and Arjun K. Gupta

Mathematics and Computers in Simulation (MATCOM), 2007, vol. 74, issue 1, 1-7

Abstract: Gamma distributions are some of the most popular models for hydrological processes. In this paper, a very flexible family which contains the gamma distribution as a particular case is introduced. Evidence of flexibility is shown by examining the shape of its probability density function (pdf). A treatment of the mathematical properties is provided by deriving expressions for the n th moment. Estimation and simulation issues are also considered. Finally, a detailed application to drought data from the State of Nebraska is illustrated.

Keywords: Estimation; Generalized gamma distribution; Moments; Simulation (search for similar items in EconPapers)
Date: 2007
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:74:y:2007:i:1:p:1-7

DOI: 10.1016/j.matcom.2006.04.004

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