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Kullback-Leibler Information-Based Tests of Fit for Inverse Gaussian Distribution
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 Title & Authors
Kullback-Leibler Information-Based Tests of Fit for Inverse Gaussian Distribution
Choi, Byung-Jin;
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The entropy-based test of fit for the inverse Gaussian distribution presented by Mudholkar and Tian(2002) can only be applied to the composite hypothesis that a sample is drawn from an inverse Gaussian distribution with both the location and scale parameters unknown. In application, however, a researcher may want a test of fit either for an inverse Gaussian distribution with one parameter known or for an inverse Gaussian distribution with both the two partameters known. In this paper, we introduce tests of fit for the inverse Gaussian distribution based on the Kullback-Leibler information as an extension of the entropy-based test. A window size should be chosen to implement the proposed tests. By means of Monte Carlo simulations, window sizes are determined for a wide range of sample sizes and the corresponding critical values of the test statistics are estimated. The results of power analysis for various alternatives report that the Kullback-Leibler information-based goodness-of-fit tests have good power.
Inverse Gaussian distribution;Kullback-Leibler information;goodness-of-t test;power;
 Cited by
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