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Abstract Details
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Activity Number:
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468
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Type:
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Contributed
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Date/Time:
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Wednesday, August 3, 2011 : 8:30 AM to 10:20 AM
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Sponsor:
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Section on Nonparametric Statistics
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| Abstract - #302426 |
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Title:
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A Generalized Multivariate Kurtosis Ordering and Its Applications
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Author(s):
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Jin Wang*+
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Companies:
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Northern Arizona University
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Address:
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Department of Mathematics and Statistics, Flagstaff, AZ, 86011-5717,
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Keywords:
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Kurtosis ;
Ordering ;
Depth function ;
Spread functional ;
Multivariate quantile function
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Abstract:
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It has been commonly admitted that the meaning of a descriptive feature of distributions is given by an ordering and that the measures for this feature are meaningful only if they preserve the ordering. However, while many multivariate kurtosis measures have been introduced, multivariate kurtosis orderings have received relatively little investigation. In this paper, we propose and study a generalized multivariate kurtosis ordering. Under some conditions, this ordering is affine invariant and determines elliptically symmetric distributions within affine equivalence. Some special cases of the generalized ordering provide the kurtosis orderings for various existing multivariate kurtosis measures. Those kurtosis orderings are applied to explore the relationships of the multivariate kurtosis measures. Some other applications of the generalized multivariate kurtosis ordering are also given.
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Authors who are presenting talks have a * after their name.
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