Results 51 to 60 of about 1,035 (153)

Simulation algorithms for hierarchical Archimedean copulas beyond the completely monotone case

open access: yesDependence Modeling, 2019
Two simulation algorithms for hierarchical Archimedean copulas in the case when intra-group generators are not necessarily completely monotone are presented. Both generalize existing algorithms for the completely monotone case.
Mai Jan-Frederik
doaj   +1 more source

A new generalization of Lehmann type-II distribution: Theory, simulation, and applications to survival and failure rate data

open access: yesScientific African, 2021
In this paper, a potentiated lifetime model that demonstrates the bathtub-shaped hazard rate function is developed. This proposed model is referred to as Kumaraswamy modified size-biased Lehmann Type-II (Kum–MSBL–II) distribution.
Oluwafemi Samson Balogun   +4 more
doaj   +1 more source

On Conditional Value at Risk (CoVaR) for tail-dependent copulas

open access: yesDependence Modeling, 2017
The paper deals with Conditional Value at Risk (CoVaR) for copulas with nontrivial tail dependence. We show that both in the standard and the modified settings, the tail dependence function determines the limiting properties of CoVaR as the conditioning ...
Jaworski Piotr
doaj   +1 more source

Characterizations of Distributions via Conditional Expectation of Generalized Order Statistics [PDF]

open access: yes, 2015
Characterizations of probability distributions by different regression conditions on generalized order statistics has attracted the attention of many researchers.
Ahsanullah, M.   +2 more
core   +1 more source

Asymptotic expansion for inverse moments of binomial and Poisson distributions

open access: yes, 2005
An asymptotic expansion for inverse moments of positive binomial and Poisson distributions is derived. The expansion coefficients of the asymptotic series are given by the positive central moments of the distribution.
Znidaric, Marko
core   +2 more sources

Statistical inference and data analysis of the record-based transmuted Burr X model

open access: yesOpen Mathematics
Probability distribution has proven its usefulness in almost every discipline of human endeavors. A novel extension of Bur X distribution is developed in this study employing the record-based transmuted mapping technique, which can be used to fit skewed ...
Alrweili Hleil
doaj   +1 more source

On a Generalized Raised Cosine Distribution: Some Properties, Characterizations and Applications

open access: yesMoroccan Journal of Pure and Applied Analysis, 2019
In this paper, we introduced a generalization of the raised cosine distribution. We also provided its several distributional properties and characterizations, including percentiles and some applications.
Ahsanullah M.   +2 more
doaj   +1 more source

Higher-order expansions of powered extremes of normal samples

open access: yes, 2016
In this paper, higher-order expansions for distributions and densities of powered extremes of standard normal random sequences are established under an optimal choice of normalized constants.
Ling, Chengxiu, Zhou, Wei
core   +1 more source

Dependent defaults and losses with factor copula models

open access: yesDependence Modeling, 2017
We present a class of flexible and tractable static factor models for the term structure of joint default probabilities, the factor copula models. These high-dimensional models remain parsimonious with paircopula constructions, and nest many standard ...
Ackerer Damien, Vatter Thibault
doaj   +1 more source

Identities for generalized Euler polynomials

open access: yes, 2014
For $N \in \mathbb{N}$, let $T_{N}$ be the Chebyshev polynomial of the first kind. Expressions for the sequence of numbers $p_{\ell}^{(N)}$, defined as the coefficients in the expansion of $1/T_{N}(1/z)$, are provided.
Jiu, Lin, Moll, Victor H., Vignat, C.
core   +2 more sources

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