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|a 10.1080/02664763.2023.2283689
|2 doi
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|a eng
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1 |
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|a SenGupta, Ashis
|e verfasserin
|4 aut
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|a A characteristic function based circular distribution family and its goodness of fit
|b The flexible wrapped Linnik family
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 22.11.2024
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|a published: Electronic-eCollection
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Informa UK Limited, trading as Taylor & Francis Group.
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|a In this article, the primary aim is to introduce a new flexible family of circular distributions, namely the wrapped Linnik family which possesses the flexibility to model the inflection points and tail behavior often better than the existing popular flexible symmetric unimodal circular models. The second objective of this article is to obtain a simple and efficient estimator of the index parameter α of symmetric Linnik distribution exploiting the fact that it is preserved in the wrapped Linnik family. This is an interesting problem for highly volatile financial data as has been studied by several authors. Our final aim is to analytically derive the asymptotic distribution of our estimator, not available for other estimator. This estimator is shown to outperform the existing estimator over the range of the parameter for all sample sizes. The proposed wrapped Linnik distribution is applied to some real-life data. A measure of goodness of fit proposed in one of the authors' previous works is used for the above family of distributions. The wrapped Linnik family was found to be preferable as it gave better fit to those data sets rather than the popular von-Mises distribution or the wrapped stable family of distributions
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|a Journal Article
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|a 62E20
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|a 62F05
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|a Asymptotic distribution
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| 650 |
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|a characteristic function based estimator
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| 650 |
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|a efficiency
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| 650 |
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|a heavy tail
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| 650 |
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|a wrapped Linnik distribution
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|a Roy, Moumita
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of applied statistics
|d 1991
|g 51(2024), 12 vom: 10., Seite 2364-2381
|w (DE-627)NLM098188178
|x 0266-4763
|7 nnas
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| 773 |
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|g volume:51
|g year:2024
|g number:12
|g day:10
|g pages:2364-2381
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| 856 |
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|u http://dx.doi.org/10.1080/02664763.2023.2283689
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