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On structural properties of an asymmetric copula family and its statistical implication

机译:论非对称拷贝家族的结构性质及其统计意义

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Constructing new copulas by transforming a given copula is necessary to enhance the flexibility of the existing copula family. Among various copula transformations, the Khoudraji transformation (K-transformation), described in [16], provides a promising way to create asymmetric copulas. In this study, we completely characterize the invariance property of the K-transformation and discuss how the K-transformation changes measures of association or asymmetry of a copula. In particular, this study explores the identifiability issue of Khoudraji-transformed copula families. Some conditions for guaranteeing identifiable transformed copula families are provided. (C) 2019 Elsevier B.V. All rights reserved.
机译:需要通过转换给定的Copula构建新的Copulas,以增强现有的Copula系列的灵活性。在各种Copula转化中,[16]中描述的Khoudraji转化(K转化)提供了产生不对称共用的有希望的方法。在这项研究中,我们完全表征了K转换的不变性属性,并讨论了K转换变化的措施的关联或拷贝的不对称性。特别是,本研究探讨了康拉吉转型的拷贝族家庭的可识别性问题。提供了保证可识别的转换拷贝家族的一些条件。 (c)2019 Elsevier B.v.保留所有权利。

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