The exact density of a statistic related to the shape parameter of a gamma variate |
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Authors: | S B Provost |
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Institution: | (1) Department of Statistical and Actuarial Sciences, The University of Western Ontario, N6A 5B9 London, Ontario, Canada |
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Abstract: | The exact density of the statistic ln
, where
and
denote, respectively, the arithmetic and the geometric means of a random sample from a two-parameter gamma distribution,
is obtained in a computable form using the technique of the inverse Mellin transform. This statistic is related to the maximum
likelihood estimator of the shape parameter of a gamma distribution. |
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Keywords: | Exact density gamma distribution parametric inference Mellin transform |
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