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10 - Four-Parameter Exponential Gamma Distribution

Published online by Cambridge University Press:  13 April 2022

Vijay P. Singh  and
Lan Zhang
Vijay P. Singh
Affiliation:
Texas A & M University
Lan Zhang
Affiliation:
University of Akron, Ohio
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Summary

The four-parameter exponential gamma (FPEG) distribution can be applied to frequency analysis of a range of random variables, such as floods, drought, wind velocity, and rainfall. The FPEG distribution is versatile and gives rise to a number of distributions that are popularly used for frequency analyses in environmental and water engineering. This chapter discusses the characteristics of this distribution and the estimation of its parameters using different methods.

Keywords

four-parameter exponential gamma (FPEG)frequency analysis
Type
Chapter
Information
Generalized Frequency Distributions for Environmental and Water Engineering , pp. 275 - 295
Publisher: Cambridge University Press
Print publication year: 2022

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References

Ashkar, F. and Ouarda, T.B.M.J. (1998). Approximate confidence intervals for quantiles of gamma and generalized gamma distributions. Journal of Hydrologic Engineering, Vol. 3, pp. 43–51.Google Scholar
Song, S.B., Song, X., and Kang, Y. (2017). Entropy-based parameter estimation for the four parameter exponential gamma distribution. Entropy, Vol. 19, p. 189. DOI: 10.3390/e19050189.CrossRefGoogle Scholar

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