Goodness-of-fit tests for the inverse Gaussian and related distributions |
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Authors: | Gilles R Ducharme |
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Affiliation: | (1) Laboratoire de Probabilités et Statistique, Université Montpellier II, Place Eugène Bataillon, 34095 Montpellier, France |
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Abstract: | In this paper, tests of goodness-of-fit for the inverse Gaussian distribution are developed. The distribution involves a shape
parameter and, because of this, some test approaches lead to inconsistent strategies. A consistent test is proposed and its
properties investigated. A table of critical points is provided and both the level and the power of the test are explored
by simulation. It is seen that the test is more powerful than most of its competitors. The framework is widened to cover satellite
distributions of the inverse Gaussian and some types of censored data. An example concludes the paper. |
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Keywords: | Anderson-Darling’ s test goodness-of-fit test inverse Gaussian distribution moment Schwarz criterion score test smooth test random walk distribution |
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