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This paper offers a mathematical invention that shows how to convert integrated quantiles, which often appear in risk measures, into integrated cumulative distribution functions, which are technically more tractable from various…

风险管理 · 定量金融 2023-04-26 Yunran Wei , Ricardas Zitikis

In this paper, we introduce a new approximation of the cumulative distribution function of the standard normal distribution based on Tocher's approximation. Also, we assess the quality of the new approximation using two criteria namely the…

统计计算 · 统计学 2022-06-28 Omar M. Eidous , Mohammad Al-Rawash

In order to better fit real-world datasets, studying asymmetric distribution is of great interest. In this work, we derive several mathematical properties of a general class of asymmetric distributions with positive support which shows up…

We discuss in detail the asymptotic distribution of sample expectiles. First, we show uniform consistency under the assumption of a finite mean. In case of a finite second moment, we show that for expectiles other then the mean, only the…

统计方法学 · 统计学 2016-07-14 Hajo Holzmann , Bernhard Klar

Normalisation in probability theory turns a subdistribution into a proper distribution. It is a partial operation, since it is undefined for the zero subdistribution. This partiality makes it hard to reason equationally about normalisation.…

计算机科学中的逻辑 · 计算机科学 2023-06-22 Bart Jacobs

In this paper, we obtain various series and asymptotic expansions involving the modified Bessel function of the second kind for the normal inverse Gaussian cumulative distribution function. The new expansions accelerate computations,…

数值分析 · 数学 2025-02-25 Guillermo Navas-Palencia

In this paper we shall study the inverse problem relative to dynamics of the w function which is a special arithmetic function and shall get some results.

数论 · 数学 2015-05-13 Chaohua Jia

In this paper, we present some asymptotic properties of the normalized inverse-Gaussian process. In particular, when the concentration parameter is large, we establish an analogue of the empirical functional central limit theorem, the…

统计理论 · 数学 2012-06-29 Luai Al Labadi , Mahmoud Zarepour

We consider the extremal properties of the highly flexible univariate extended skew-normal distribution. We derive the well-known Mills' inequalities and Mills' ratio for the extended skew-normal distribution and establish the asymptotic…

统计方法学 · 统计学 2018-10-01 Boris Beranger , Simone A. Padoan , Yangfan Xu , Scott A. Sisson

Probabilistic submeasures generalizing the classical (numerical) submeasures are introduced and discussed in connection with some classes of aggregation functions. A special attention is paid to triangular norm-based probabilistic…

经典分析与常微分方程 · 数学 2012-07-12 Lenka Halčinová , Ondrej Hutník , Radko Mesiar

In this article,a three parameter generalisation of inverse lindley distribution is obtained, with the purpose of obtaining a more flexible model relative to the behaviour of hazard rate functions. Various statistical properties such as…

统计理论 · 数学 2018-08-23 Rameesa Jan , T. R. Jan , Peer Bilal Ahmad

It has long been agreed by academics that the inversion method is the method of choice for generating random variates, given the availability of the quantile function. However for several probability distributions arising in practice a…

计算金融 · 定量金融 2012-04-03 Asad Munir , William Shaw

There is a difficulty in finding an estimate of variance of the profile likelihood estimator in the joint model of longitudinal and survival data. We solve the difficulty by introducing the ``statistical generalized derivative''. The…

统计理论 · 数学 2018-07-23 Yuichi Hirose , Ivy Liu

Observed clusters should be modelled by considering the distribution function to be a random variable that quantifies the degree of excitation of the system's normal modes. A system of canonical coordinates for the space of DFs is…

星系天体物理 · 物理学 2021-08-11 Jun Yan Lau , James Binney

In this paper we study the inverse of so-called unfair permutations, and explore various properties of them. Our investigation begins with comparing this class of permutations with uniformly random permutations, and showing that they behave…

概率论 · 数学 2018-06-01 İlker Arslan , Ümit Işlak , Cihan Pehlivan

The statistical distribution of the ratio of two normal random variables is characterized by its heavy-tailed nature and absence of finite moments. The shape of its density function is highly variable, capable of exhibiting unimodal or…

概率论 · 数学 2023-11-07 Sheng Yang , Zhengtao Gui

We obtain the distribution of the maximal average in a sequence of independent identically distributed exponential random variables. Surprisingly enough, it turns out that the inverse distribution admits a simple closed form. An application…

概率论 · 数学 2019-06-25 Dimitris Cheliotis , Nickos Papadatos

This work unifies the analysis of various randomized methods for solving linear and nonlinear inverse problems by framing the problem in a stochastic optimization setting. By doing so, we show that many randomized methods are variants of a…

数值分析 · 数学 2023-06-21 Jonathan Wittmer , C. G. Krishnanunni , Hai V. Nguyen , Tan Bui-Thanh

In this work, we derive some novel properties of the bimodal normal distribution. Some of its mathematical properties are examined. We provide a formal proof for the bimodality and assess identifiability. We then discuss the maximum…

统计理论 · 数学 2021-06-02 Roberto Vila , Helton Saulo , Jamer Roldan

Let $X$ and $Y$ be independent variance-gamma random variables with zero location parameter; then the exact probability density function of the product $XY$ is derived. Some basic distributional properties are also derived, including…

概率论 · 数学 2024-05-14 Robert E. Gaunt , Siqi Li