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164,272 Results Found

  • Article
  • Open Access
3 Citations
4,766 Views
37 Pages

Estimation of Star-Shaped Distributions

  • Eckhard Liebscher and
  • Wolf-Dieter Richter

30 November 2016

Scatter plots of multivariate data sets motivate modeling of star-shaped distributions beyond elliptically contoured ones. We study properties of estimators for the density generator function, the star-generalized radius distribution and the density...

  • Article
  • Open Access
1 Citations
1,495 Views
27 Pages

On the Conflation of Negative Binomial and Logarithmic Distributions

  • Anfal A. Alqefari,
  • Abdulhamid A. Alzaid and
  • Najla Qarmalah

13 October 2024

In recent decades, the study of discrete distributions has received increasing attention in the field of statistics, mainly because discrete distributions can model a wide range of count data. One common distribution used for modeling count data, for...

  • Article
  • Open Access
3 Citations
7,529 Views
15 Pages

6 April 2011

In the present paper, we propose a large sample asymptotic approximation for the sampling and posterior distributions of differential entropy when the sample is composed of independent and identically distributed realization of a multivariate normal...

  • Review
  • Open Access
918 Views
36 Pages

A Review: Construction of Statistical Distributions

  • Kai-Tai Fang,
  • Yu-Xuan Lin and
  • Yu-Hui Deng

23 November 2025

Statistical modeling is fundamentally based on probability distributions, which can be discrete or continuous and univariate or multivariate. This review focuses on the methods used to construct these distributions, covering both traditional and newl...

  • Article
  • Open Access
1 Citations
1,258 Views
14 Pages

A Class of Power Series q-Distributions

  • Charalambos A. Charalambides

28 February 2024

A class of power series q-distributions, generated by considering a q-Taylor expansion of a parametric function into powers of the parameter, is discussed. Its q-factorial moments are obtained in terms of q-derivatives of its series (parametric) func...

  • Article
  • Open Access
2 Citations
1,936 Views
10 Pages

2 October 2023

(1) Background: The distribution of tumor volumes is important for various aspects of cancer research. Unfortunately, tumor volume is rarely documented in tumor registries; usually only maximum tumor diameter is. This paper presents a method to deriv...

  • Article
  • Open Access
1 Citations
792 Views
17 Pages

On the Conflation of Poisson and Logarithmic Distributions with Applications

  • Abdulhamid A. Alzaid,
  • Anfal A. Alqefari and
  • Najla Qarmalah

6 July 2025

It is frequent for real-life count data to show inflation in lower values; however, most of the well-known count distributions cannot capture such a feature. The present paper introduces a new distribution for modeling inflated count data in small va...

  • Article
  • Open Access
7 Citations
2,936 Views
18 Pages

1 June 2022

In this paper, we propose a new family of distributions, by exponentiating the random variables associated with the probability density functions of composite distributions. We also derive some mathematical properties of this new family of distributi...

  • Article
  • Open Access
3 Citations
8,780 Views
28 Pages

15 February 2023

Polynomials are common algebraic structures, which are often used to approximate functions, such as probability distributions. This paper proposes to directly define polynomial distributions in order to describe stochastic properties of systems rathe...

  • Article
  • Open Access
15 Citations
6,572 Views
10 Pages

12 December 2020

The (general) hypoexponential distribution is the distribution of a sum of independent exponential random variables. We consider the particular case when the involved exponential variables have distinct rate parameters. We prove that the following co...

  • Feature Paper
  • Article
  • Open Access
10 Citations
4,537 Views
21 Pages

Multivariate Classes of GB2 Distributions with Applications

  • José María Sarabia,
  • Vanesa Jordá,
  • Faustino Prieto and
  • Montserrat Guillén

31 December 2020

The general beta of the second kind distribution (GB2) is a flexible distribution which includes several relevant parametric families of distributions. This distribution has important applications in earnings and income distributions, finance and ins...

  • Article
  • Open Access
1 Citations
636 Views
18 Pages

25 October 2025

We investigate the off-shell generalized parton distributions (GPDs) and transverse momentum dependent parton distributions (TMDs) of kaons within the framework of the Nambu–Jona-Lasinio model, employing proper time regularization. Compared to...

  • Article
  • Open Access
6 Citations
4,191 Views
18 Pages

Properties and Applications of a New Family of Skew Distributions

  • Emilio Gómez-Déniz,
  • Barry C. Arnold,
  • José M. Sarabia and
  • Héctor W. Gómez

3 January 2021

We introduce two families of continuous distribution functions with not-necessarily symmetric densities, which contain a parent distribution as a special case. The two families proposed depend on two parameters and are presented as an alternative to...

  • Article
  • Open Access
10 Citations
3,896 Views
14 Pages

5 August 2020

While the total cover of broken cloud fields can in principle be obtained from one-dimensional measurements, the cloud size distribution normally differs between two-dimensional (area) and one-dimensional retrieval (chord length) methods. In this stu...

  • Article
  • Open Access
1,921 Views
8 Pages

On a Parametrization of Partial-Sums Discrete Probability Distributions

  • Ján Mačutek,
  • Gejza Wimmer and
  • Michaela Koščová

16 July 2022

For every discrete probability distribution, there is one and only one partial summation which leaves the distribution unchanged. This invariance property is reconsidered for distributions with one parameter. We show that if we change the parameter v...

  • Article
  • Open Access
7 Citations
2,856 Views
23 Pages

Family of Distributions Derived from Whittaker Function

  • Maha A. Omair,
  • Yusra A. Tashkandy,
  • Sameh Askar and
  • Abdulhamid A. Alzaid

25 March 2022

In this paper, we introduce a general family of distributions based on Whittaker function. The properties of obtained distributions, moments, ordering, percentiles, and unimodality are studied. The distributions’ parameters are estimated using...

  • Article
  • Open Access
5 Citations
2,126 Views
11 Pages

3 January 2023

Assume that ξ and η are two independent random variables with distribution functions Fξ and Fη, respectively. The distribution of a random variable ξη, denoted by Fξ⊗Fη, is called the product-convolution of Fξ an...

  • Article
  • Open Access
10 Citations
1,950 Views
15 Pages

7 July 2023

This article presents a new family of symmetric heavy-tailed distributions. This model is based on the ratio of two independent random variables; one with a normal distribution in the numerator and another with a Birnbaum–Saunders distribution...

  • Article
  • Open Access
8 Citations
6,434 Views
21 Pages

1 March 2023

We present a number of upper and lower bounds for the total variation distances between the most popular probability distributions. In particular, some estimates of the total variation distances in the cases of multivariate Gaussian distributions, Po...

  • Feature Paper
  • Article
  • Open Access
1 Citations
2,940 Views
16 Pages

Assessing Multinomial Distributions with a Bayesian Approach

  • Luai Al-Labadi,
  • Petru Ciur,
  • Milutin Dimovic and
  • Kyuson Lim

6 July 2023

This paper introduces a unified Bayesian approach for testing various hypotheses related to multinomial distributions. The method calculates the Kullback–Leibler divergence between two specified multinomial distributions, followed by comparing...

  • Article
  • Open Access
1 Citations
1,440 Views
14 Pages

Skew-Symmetric Generalized Normal and Generalized t Distributions

  • Najmeh Nakhaei Rad,
  • Mahdi Salehi,
  • Yaser Mehrali and
  • Ding-Geng Chen

13 November 2024

In this paper, we introduce the skew-symmetric generalized normal and the skew-symmetric generalized t distributions, which are skewed extensions of symmetric special cases of generalized skew-normal and generalized skew-t distributions, respectively...

  • Article
  • Open Access
10 Citations
3,479 Views
13 Pages

On the Regression Model for Generalized Normal Distributions

  • Ayman Alzaatreh,
  • Mohammad Aljarrah,
  • Ayanna Almagambetova and
  • Nazgul Zakiyeva

30 January 2021

The traditional linear regression model that assumes normal residuals is applied extensively in engineering and science. However, the normality assumption of the model residuals is often ineffective. This drawback can be overcome by using a generaliz...

  • Communication
  • Open Access
3 Citations
1,863 Views
4 Pages

ν-Generalized Hyperbolic Distributions

  • Lev Klebanov and
  • Svetlozar T. Rachev

A new class of probability distributions closely connected to generalized hyperbolic distributions is introduced. It is better adapted for studying the distributions of sums of a random number of random variables. The properties of these distribution...

  • Feature Paper
  • Article
  • Open Access
2 Citations
3,397 Views
20 Pages

Cumulants of Multivariate Symmetric and Skew Symmetric Distributions

  • Sreenivasa Rao Jammalamadaka,
  • Emanuele Taufer and
  • Gyorgy H. Terdik

29 July 2021

This paper provides a systematic and comprehensive treatment for obtaining general expressions of any order, for the moments and cumulants of spherically and elliptically symmetric multivariate distributions; results for the case of multivariate t-di...

  • Article
  • Open Access
12 Citations
2,660 Views
11 Pages

25 September 2021

A dozen papers have considered the concept of negation of probability distributions (pd) introduced by Yager. Usually, such negations are generated point-by-point by functions defined on a set of probability values and called here negators. Recently...

  • Feature Paper
  • Article
  • Open Access
4 Citations
5,268 Views
36 Pages

Distributions You Can Count On …But What’s the Point?

  • Brendan P. M. McCabe and
  • Christopher L. Skeels

The Poisson regression model remains an important tool in the econometric analysis of count data. In a pioneering contribution to the econometric analysis of such models, Lung-Fei Lee presented a specification test for a Poisson model against a broad...

  • Communication
  • Open Access
1,557 Views
7 Pages

29 June 2023

There are given characterizations of the exponential distribution based on the properties of independence of linear forms with random coefficients. Results based on the constancy of regression of one statistic in a linear form are obtained. Related c...

  • Article
  • Open Access
5 Citations
2,223 Views
17 Pages

Probability Distributions Describing Qubit-State Superpositions

  • Margarita A. Man’ko and
  • Vladimir I. Man’ko

22 September 2023

We discuss qubit-state superpositions in the probability representation of quantum mechanics. We study probability distributions describing separable qubit states. We consider entangled states on the example of a system of two qubits (Bell states) us...

  • Article
  • Open Access
5 Citations
3,480 Views
30 Pages

14 October 2020

In 2020, El-Morshedy et al. introduced a bivariate extension of the Burr type X generator (BBX-G) of distributions, and Muhammed presented a bivariate generalized inverted Kumaraswamy (BGIK) distribution. In this paper, we propose a more flexible gen...

  • Article
  • Open Access
12 Citations
10,939 Views
18 Pages

Measuring the Complexity of Continuous Distributions

  • Guillermo Santamaría-Bonfil,
  • Nelson Fernández and
  • Carlos Gershenson

26 February 2016

We extend previously proposed measures of complexity, emergence, and self-organization to continuous distributions using differential entropy. Given that the measures were based on Shannon’s information, the novel continuous complexity measures descr...

  • Article
  • Open Access
8 Citations
3,286 Views
29 Pages

Multivariate Scale-Mixed Stable Distributions and Related Limit Theorems

  • Yury Khokhlov,
  • Victor Korolev and
  • Alexander Zeifman

In the paper, multivariate probability distributions are considered that are representable as scale mixtures of multivariate stable distributions. Multivariate analogs of the Mittag–Leffler distribution are introduced. Some properties of these...

  • Article
  • Open Access
2,361 Views
14 Pages

A New Family of Distributions Based on Proportional Hazards

  • Guillermo Martínez-Flórez,
  • Carlos Barrera-Causil,
  • Osvaldo Venegas,
  • Heleno Bolfarine and
  • Héctor W. Gómez

26 January 2022

In this article, we introduce a new family of symmetric-asymmetric distributions based on skew distributions and on the family of order statistics with proportional hazards. This new family of distributions is able to fit both unimodal and bimodal as...

  • Article
  • Open Access
1 Citations
1,839 Views
13 Pages

7 April 2023

In this paper, we study a new type of distribution that generalizes distributions from the gamma and beta classes that are widely used in applications. The estimators for the parameters of the digamma distribution obtained by the method of logarithmi...

  • Review
  • Open Access
18 Citations
6,700 Views
25 Pages

29 June 2023

Statistical modeling relies on a diverse range of statistical distributions, encompassing both univariate and multivariate distributions and/or discrete and continuous distributions. In the literature, numerous statistical methods have been proposed...

  • Article
  • Open Access
683 Views
16 Pages

Conditional Quantization for Some Discrete Distributions

  • Edgar A. Gonzalez,
  • Mrinal Kanti Roychowdhury,
  • David A. Salinas and
  • Vishal Veeramachaneni

23 May 2025

Quantization for a Borel probability measure refers to the idea of estimating a given probability by a discrete probability with support containing a finite number of elements. If in the quantization some of the elements in the finite support are pre...

  • Article
  • Open Access
2 Citations
1,371 Views
33 Pages

A New Class of Bivariate Distributions: Properties, Estimation, and Modeling

  • Jumanah Ahmed Darwish,
  • Saman Hanif Shahbaz and
  • Muhammad Qaiser Shahbaz

22 December 2024

The development of bivariate distributions is a challenging area of research, and a novel class of bivariate distributions is proposed in this paper. Certain useful mathematical characteristics of the proposed class of bivariate distributions are exp...

  • Article
  • Open Access
24 Citations
9,716 Views
19 Pages

26 September 2011

We discuss a one-parameter family of generalized cross entropy between two distributions with the power index, called the projective power entropy. The cross entropy is essentially reduced to the Tsallis entropy if two distributions are taken to be e...

  • Article
  • Open Access
4 Citations
1,660 Views
15 Pages

A Family of Truncated Positive Distributions

  • Héctor J. Gómez,
  • Karol I. Santoro,
  • Inmaculada Barranco-Chamorro,
  • Osvaldo Venegas,
  • Diego I. Gallardo and
  • Héctor W. Gómez

26 October 2023

In this paper, a new family of continuous distributions with positive support is introduced. This family is generated by a truncation of the family of univariate symmetrical distributions. In this new family of distributions, general properties, such...

  • Article
  • Open Access
2 Citations
1,894 Views
14 Pages

4 September 2023

In the paper, quasi-exponentiated normal distributions are introduced for any real power (exponent) no less than two. With natural exponents, the quasi-exponentiated normal distributions coincide with the distributions of the corresponding powers of...

  • Article
  • Open Access
3 Citations
2,592 Views
11 Pages

A Central Limit Theorem for Predictive Distributions

  • Patrizia Berti,
  • Luca Pratelli and
  • Pietro Rigo

12 December 2021

Let S be a Borel subset of a Polish space and F the set of bounded Borel functions f:S→R. Let an(·)=P(Xn+1∈·∣X1,…,Xn) be the n-th predictive distribution corresponding to a sequence (Xn) of S-valued random variabl...

  • Article
  • Open Access
12 Citations
2,797 Views
18 Pages

4 March 2021

In the following article, a new five-parameter distribution, the alpha power exponentiated Weibull-exponential distribution is proposed, based on a newly developed technique. It is of particular interest because the density of this distribution can t...

  • Article
  • Open Access
36 Citations
7,403 Views
37 Pages

7 January 2020

Within the context of flexible parametric families of distributions, much work has been dedicated in recent years to the theme of skew-symmetric distributions, or symmetry-modulated distributions, as we prefer to call them. The present contribution c...

  • Article
  • Open Access
3 Citations
3,348 Views
13 Pages

7 September 2018

A justification of the Basel liquidity formula for risk capital in the trading book is given under the assumption that market risk-factor changes form a Gaussian white noise process over 10-day time steps and changes to P&L (profit-and-loss) are...

  • Article
  • Open Access
4 Citations
3,079 Views
32 Pages

6 May 2021

A recent paper presents an extension of the skew-normal distribution which is a copula. Under this model, the standardized marginal distributions are standard normal. The copula itself depends on the familiar skewing construction based on the normal...

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