A collection of two-dimensional copulas based on an original parametric ratio scheme

C Chesneau - Symmetry, 2023 - mdpi.com
The creation of two-dimensional copulas is crucial for the proposal of novel families of two-
dimensional distributions and the analysis of original dependence structures between two …

[HTML][HTML] The impact on the properties of the EFGM copulas when extending this family

S Saminger-Platz, A Kolesárová, A Šeliga… - Fuzzy Sets and …, 2021 - Elsevier
Several extensions of the family of (bivariate) Eyraud-Farlie-Gumbel-Morgenstern copulas
(EFGM copulas) are considered. Some of them are well-known from the literature, others …

The Pareto type I joint frailty-copula model for clustered bivariate survival data

YH Lin, LH Sun, YJ Tseng, T Emura - Communications in Statistics …, 2024 - Taylor & Francis
Clustered bivariate survival data arise in various fields, such as biology and medicine, when
individuals in a dataset are clustered and exhibit two survival outcomes. Recently, the joint …

New results on perturbation-based copulas

S Saminger-Platz, A Kolesárová, A Šeliga… - Dependence …, 2021 - degruyter.com
A prominent example of a perturbation of the bivariate product copula (which characterizes
stochastic independence) is the parametric family of Eyraud-Farlie-Gumbel-Morgenstern …

Relevancy transformation operators in the form of polynomial functions

C Zhao, L Sun, G Li, Y Tang - Journal of Intelligent & Fuzzy …, 2024 - content.iospress.com
Relevancy transformation operators (RET operators) have been widely used in fuzzy
systems modelling and the construction of weighted aggregation functions. Several …

[HTML][HTML] Parameterized transformations and truncation: When is the result a copula?

S Saminger-Platz, A Kolesárová, A Šeliga… - … of Computational and …, 2024 - Elsevier
Our starting point are several general classes of real functions defined on the unit square
satisfying some basic properties such as a boundary condition or several types of …

[PDF][PDF] コピュラとフレイルティ混合効果から導かれる多変量故障時間分布

王尹辰, 江村剛志 - 日本統計研究所所報, 2021 - researchgate.net
コピュラモデルとフレイルティ (混合効果) モデルは, 多変量故障時間分布における相関構造を
モデリングするための一般的なモデル族である. 本稿は, コピュラモデルとフレイルティモデルを含む …

[引用][C] A class of bivariate copula mappings

G Bagdonas - 2021 - Vilniaus universitetas