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Mathematics of Computation
Mathematics of Computation
ISSN 1088-6842(online) ISSN 0025-5718(print)

Calculation of the moments and the moment generating function for the reciprocal gamma distribution


Authors: Arne Fransén and Staffan Wrigge
Journal: Math. Comp. 42 (1984), 601-616
MSC: Primary 65D20; Secondary 60E10, 62E15, 65U05
MathSciNet review: 736456
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Abstract: In this paper we consider the distribution $ G(x) = {F^{ - 1}}\smallint _0^x{(\Gamma (t))^{ - 1}}\;dt$. The aim of the investigation is twofold: first,to find numerical values of characteristics such as moments, variance, skewness, kurtosis,etc.; second, to study analytically and numerically the moment generating function $ \varphi (t) = \smallint _0^\infty {e^{ - tx}}/\Gamma (x)\;dx$. Furthermore, we also make a generalization of the reciprocal gamma distribution, and study some of its properties.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0025-5718-1984-0736456-3
PII: S 0025-5718(1984)0736456-3
Keywords: Reciprocal gamma distribution, population characteristics, generating function
Article copyright: © Copyright 1984 American Mathematical Society