The BIAS of the maximum likelihood estimators of the von mises-fisher concentration parameters |
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Authors: | DJ Best NI Fisher |
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Institution: | CSIRO Division of Mathematics and Statistics , Lindfield, Australia |
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Abstract: | It is shown that the bias of the maximum likelihood estimators of the concentration parameters of the von Mises and Fisher distributions is considerable. New estimators which are either nearly unbiased or nearly median unbiased are proposed. |
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Keywords: | circular distribution spherical distribution jackknife estimator simulation |
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