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290 Results Found

  • Article
  • Open Access
6 Citations
2,921 Views
19 Pages

14 October 2022

In this paper, different mathematical expressions are derived to compute the residual magnitude of voltage caused by faults along the line and on the bus. Symmetrical and unsymmetrical faults are taken into consideration, and the consequences of the...

(This article belongs to the Topic Power Quality)
  • Article
  • Open Access
77 Citations
9,075 Views
18 Pages

Wildfire Probability Mapping: Bivariate vs. Multivariate Statistics

  • Abolfazl Jaafari,
  • Davood Mafi-Gholami,
  • Binh Thai Pham and
  • Dieu Tien Bui

13 March 2019

Wildfires are one of the most common natural hazards worldwide. Here, we compared the capability of bivariate and multivariate models for the prediction of spatially explicit wildfire probability across a fire-prone landscape in the Zagros ecoregion,...

(This article belongs to the Special Issue Advanced Machine Learning and Big Data Analytics in Remote Sensing for Natural Hazards Management)
  • Article
  • Open Access
42 Citations
8,780 Views
13 Pages

17 April 2013

Analysis of knee joint vibration or vibroarthrographic (VAG) signals using signal processing and machine learning algorithms possesses high potential for the noninvasive detection of articular cartilage degeneration, which may reduce unnecessary expl...

(This article belongs to the Special Issue Maximum Entropy and Bayes Theorem)
  • Article
  • Open Access
7 Citations
2,680 Views
19 Pages

Bivariate Unit-Weibull Distribution: Properties and Inference

  • Roger Tovar-Falón,
  • Guillermo Martínez-Flórez and
  • Luis Páez-Martínez

1 September 2023

In this article, we introduce a novel bivariate probability distribution that is absolutely continuous. Considering the Farlie–Gumbel–Morgenstern (FGM) copula and the unit-Weibull distribution, we can obtain a bivariate unit-Weibull distr...

(This article belongs to the Special Issue Probability, Statistics & Symmetry)
  • Feature Paper
  • Article
  • Open Access
12 Citations
5,436 Views
20 Pages

Goodness–of–Fit Tests for Bivariate Time Series of Counts

  • Šárka Hudecová,
  • Marie Hušková and
  • Simos G. Meintanis

This article considers goodness-of-fit tests for bivariate INAR and bivariate Poisson autoregression models. The test statistics are based on an L2-type distance between two estimators of the probability generating function of the observations: one b...

(This article belongs to the Special Issue Discrete-Valued Time Series: Modelling, Estimation and Forecasting)
  • Article
  • Open Access
2 Citations
1,425 Views
29 Pages

Two-Dimensional Probability Models for the Weighted Discretized Fréchet–Weibull Random Variable with Min–Max Operators: Mathematical Theory and Statistical Goodness-of-Fit Analysis

  • Sofian T. Obeidat,
  • Diksha Das,
  • Mohamed S. Eliwa,
  • Bhanita Das and ,
  • Partha Jyoti Hazarika and
  • Wael W. Mohammed
  • + 1 author+ 0 author

14 February 2025

This study introduces two bivariate extensions of the recently proposed weighted discretized Fréchet–Weibull distribution, termed as bivariate weighted discretized Fréchet–Weibull (BWDFW) distributions. These models are spec...

(This article belongs to the Special Issue New Advances in Distribution Theory and Its Applications)
  • Article
  • Open Access
11 Citations
3,860 Views
16 Pages

Using the Apriori Algorithm and Copula Function for the Bivariate Analysis of Flash Flood Risk

  • Ming Zhong,
  • Jiao Wang,
  • Tao Jiang,
  • Zhijun Huang and ,
  • Xiaohong Chen and
  • Yang Hong
  • + 1 author+ 0 author

7 August 2020

Flash flooding is a phenomenon characterized by multiple variables. Few studies have focused on the extracted variables involved in flash flood risk and the joint probability distribution of the extracted variables. In this paper, a novel methodology...

(This article belongs to the Special Issue Advances in Flash Flood Forecasting)
  • Article
  • Open Access
3 Citations
2,369 Views
13 Pages

Goodness-of-Fit Test for the Bivariate Hermite Distribution

  • Pablo González-Albornoz and
  • Francisco Novoa-Muñoz

22 December 2022

This paper studies the goodness of fit test for the bivariate Hermite distribution. Specifically, we propose and study a Cramér–von Mises-type test based on the empirical probability generation function. The bootstrap can be used to cons...

(This article belongs to the Special Issue Statistical Methods and Applications)
  • Article
  • Open Access
22 Citations
5,056 Views
19 Pages

23 January 2020

Efficient water management plans should rely on quantitative metrics for assessing water resource shortage scenarios. This study develops a simplified precipitation index (PI) requiring precipitation data only in order to assess hydrometeorological d...

  • Article
  • Open Access
3 Citations
3,074 Views
24 Pages

6 April 2020

In order to enhance the streamflow forecast skill, seasonal/sub-seasonal streamflow forecasts can be post-processed by incorporating new information, such as climate signals. This study proposed a simple yet efficient approach, the “Bivar_updat...

(This article belongs to the Special Issue Sustainable Water Resources Management for Disaster Risk Reduction)
  • Article
  • Open Access
6 Citations
2,149 Views
20 Pages

9 August 2021

(1) Background: This paper deals with unevenly aged, whole-stand models from mixed-effect parameters diffusion processes and Voronoi diagram points of view and concentrates on the mixed-species stands in Lithuania. We focus on the Voronoi diagram of...

(This article belongs to the Special Issue Mathematical Modeling of Biological Systems: Geometry, Symmetry and Conservation Laws)
  • Feature Paper
  • Article
  • Open Access
7 Citations
4,200 Views
15 Pages

Joint Modeling of Severe Dust Storm Events in Arid and Hyper Arid Regions Based on Copula Theory: A Case Study in the Yazd Province, Iran

  • Tayyebeh Mesbahzadeh,
  • Maryam Mirakbari,
  • Mohsen Mohseni Saravi,
  • Farshad Soleimani Sardoo and
  • Nir Y. Krakauer

13 May 2020

Natural disasters such as dust storms are random phenomena created by complicated mechanisms involving many parameters. In this study, we used copula theory for bivariate modeling of dust storms. Copula theory is a suitable method for multivariate mo...

  • Article
  • Open Access
5 Citations
3,179 Views
21 Pages

9 October 2019

The proposed study presents a novel probabilistic method for optimal allocation of spinning reserves taking into consideration load, wind and solar forecast errors, inter-zonal spinning reserve trading, and demand response provided by consumers as a...

(This article belongs to the Special Issue Power Electronics for Energy Saving)
  • Article
  • Open Access
6 Citations
2,400 Views
24 Pages

19 July 2023

An effective warranty policy is not only an obligation for the manufacturer or vendor, but it also enhances the willingness of customers to purchase from them in the future. To earn more customers and increase sales, manufacturers or vendors should b...

(This article belongs to the Special Issue Reliability and Risk of Complex Systems: Modelling, Analysis and Optimization)
  • Article
  • Open Access
3 Citations
2,843 Views
18 Pages

22 February 2024

In many real-life scenarios, one variable is observed only if the other concomitant variable or the set of concomitant variables (in the multivariate scenario) is truncated from below, above, or from a two-sided approach. Hidden truncation models hav...

(This article belongs to the Special Issue Computational Statistics and Its Applications)
  • Article
  • Open Access
25 Citations
5,745 Views
22 Pages

Background: Exposure to environmental pollutants such as metals and Per- and Polyfluoroalkyl Substances (PFAS) has become common and increasingly associated with a decrease in the estimated Glomerular Filtration Rate (eGFR), which is a marker often u...

(This article belongs to the Section Environmental Health)
  • Feature Paper
  • Article
  • Open Access
285 Views
18 Pages

4 September 2026

We derive the joint probability-generating function of the number of customers served and the number of customers lost in busy periods of MX/M/1/n queueing systems with balking. Capitalizing on the Markov-regenerative nature of these systems, we prop...

(This article belongs to the Section D: Statistics and Operational Research)
  • Article
  • Open Access
31 Citations
4,061 Views
30 Pages

2 March 2023

Bivariate data-driven methods have been widely used in landslide susceptibility analysis. However, the names, principles, and correlations of bivariate methods are still confused. In this paper, the names, principles, and correlations of bivariate me...

(This article belongs to the Special Issue Advancement of Remote Sensing in Landslide Susceptibility Assessment)
  • Article
  • Open Access
12 Citations
3,798 Views
16 Pages

11 December 2022

The bivariate probability distribution of significant wave heights and mean wave periods has an indispensable guiding role in the implementation of offshore engineering, which has attracted great attention. This work gives a new bivariate method to d...

(This article belongs to the Section Ocean Engineering)
  • Article
  • Open Access
3 Citations
2,691 Views
33 Pages

A New Bivariate Survival Model: The Marshall-Olkin Bivariate Exponentiated Lomax Distribution with Modeling Bivariate Football Scoring Data

  • Sulafah M. S. Binhimd,
  • Zakiah I. Kalantan,
  • Abeer A. EL-Helbawy,
  • Gannat R. AL-Dayian and ,
  • Ahlam A. M. Mahmoud,
  • Reda M. Refaey and
  • Mervat K. Abd Elaal
  • + 2 authors+ 0 author

8 November 2024

This paper focuses on applying the Marshall-Olkin approach to generate a new bivariate distribution. The distribution is called the bivariate exponentiated Lomax distribution, and its marginal distribution is the exponentiated Lomax distribution. Num...

(This article belongs to the Special Issue Applications of Bayesian Methods in Statistical Analysis)
  • Article
  • Open Access
5 Citations
3,372 Views
10 Pages

Image Denoising Based on Bivariate Distribution

  • Ping Zhao,
  • Xingyu Zhao and
  • Chun Zhao

20 November 2020

The literature has shown that the performance of the de-noising algorithm was greatly influenced by the dependencies between wavelet coefficients. In this paper, the bivariate probability density function (PDF) was proposed which was symmetric, and t...

(This article belongs to the Special Issue Symmetry in Artificial Visual Perception and Its Application)
  • Article
  • Open Access
10 Citations
3,365 Views
21 Pages

14 August 2020

This study proposes a general bivariate stochastic differential equation model of population growth which includes random forces governing the dynamics of the bivariate distribution of size variables. The dynamics of the bivariate probability density...

(This article belongs to the Special Issue Stochastic Differential Equations and Their Applications 2020)
  • Article
  • Open Access
21 Citations
4,229 Views
17 Pages

30 January 2022

In coastal areas of southeastern China, multiple flood drivers such as river flow, precipitation and coastal water level can lead to compound flooding which is often much greater than flooding simulated by one flood driver in isolation. Bivariate pro...

(This article belongs to the Special Issue Hydrological Responses under Climate Changes)
  • Article
  • Open Access
6 Citations
2,312 Views
18 Pages

A Bivariate Extension to Exponentiated Inverse Flexible Weibull Distribution: Shock Model, Features, and Inference to Model Asymmetric Data

  • Mahmoud El-Morshedy,
  • Mohamed S. Eliwa,
  • Muhammad H. Tahir,
  • Morad Alizadeh and ,
  • Rana El-Desokey,
  • Afrah Al-Bossly and
  • Hana Alqifari
  • + 2 authors+ 0 author

3 February 2023

The primary objective of this article was to introduce a new probabilistic model for the discussion and analysis of random covariates. The introduced model was derived based on the Marshall–Olkin shock model. After proposing the mathematical fo...

(This article belongs to the Special Issue Symmetric and Asymmetric Distributions: Theoretical Developments and Applications Ⅲ)
  • Article
  • Open Access
5 Citations
2,497 Views
26 Pages

The Bivariate Unit-Sinh-Normal Distribution and Its Related Regression Model

  • Guillermo Martínez-Flórez,
  • Artur J. Lemonte,
  • Germán Moreno-Arenas and
  • Roger Tovar-Falón

31 August 2022

In this paper, a new bivariate absolutely continuous probability distribution is introduced. The new distribution, which is called the bivariate unit-sinh-normal (BVUSHN) distribution, arises by applying a transformation to the bivariate Birnbaum&nda...

  • Article
  • Open Access
1 Citations
2,573 Views
21 Pages

30 January 2023

In this article, we introduce two new bivariate Kumaraswamy (KW)-type distributions with univariate Kumaraswamy marginals (under certain parametric restrictions) that are less restrictive in nature compared with several other existing bivariate beta...

(This article belongs to the Special Issue Advances in Probability Theory and Statistics)
  • Article
  • Open Access
3 Citations
3,514 Views
17 Pages

In this paper, we provide a new bivariate distribution obtained from a Kibble-type bivariate gamma distribution. The stochastic representation was obtained by the sum of a Kibble-type bivariate random vector and a bivariate random vector builded by t...

(This article belongs to the Special Issue Probability, Statistics and Their Applications 2021)
  • Article
  • Open Access
1 Citations
1,018 Views
14 Pages

14 February 2026

We propose the Bivariate Poisson–X–Exponential Distribution (BPXED), a flexible bivariate count model obtained by compounding Poisson variables with a shared X–Exponential latent mixing distribution. The model extends the Poisson&nd...

(This article belongs to the Section Statistical Theory and Methods)
  • Article
  • Open Access
21 Citations
4,808 Views
27 Pages

Probability distributions are very useful in modeling lifetime datasets. However, no specific distribution is suitable for all kinds of datasets. In this study, the bounded truncated Cauchy power exponential distribution is proposed for modeling data...

(This article belongs to the Special Issue Statistical Inference in Linear Models)
  • Article
  • Open Access
3 Citations
1,456 Views
15 Pages

27 June 2024

There are many families of bivariate distributions with given marginals. Most families, such as the Farlie–Gumbel–Morgenstern (FGM) and the Ali–Mikhail–Haq (AMH), are absolutely continuous, with an ordinary probability density...

(This article belongs to the Special Issue Applications of Bayesian Methods in Statistical Analysis)
  • Article
  • Open Access
621 Views
29 Pages

The design of coastal protection structures requires design parameters that accurately represent the hydrodynamic conditions along the coast. Currently, these input variables are based on univariate probability models, which do not consider the joint...

(This article belongs to the Section Coastal Engineering)
  • Article
  • Open Access
727 Views
31 Pages

Flexible Bivariate Generalized Shifted Inverse Trinomial Distributions for Over- and Under-Dispersed Count Data

  • Shin-Zhu Sim,
  • Seng-Huat Ong,
  • Hong-Seng Sim,
  • Yong-Kheng Goh and
  • Hari Mohan Srivastava

24 July 2026

Modeling bivariate count data with complex dispersion and dependence structures remains a significant challenge in statistical data analysis. This article introduces two new bivariate count distributions derived from the generalized shifted inverse t...

  • Article
  • Open Access
1,988 Views
22 Pages

Bivariate Discrete Odd Generalized Exponential Generator of Distributions for Count Data: Copula Technique, Mathematical Theory, and Applications

  • Laila A. Al-Essa,
  • Mohamed S. Eliwa,
  • Hend S. Shahen,
  • Amal A. Khalil and ,
  • Hana N. Alqifari and
  • Mahmoud El-Morshedy
  • + 1 author+ 0 author

29 May 2023

In this article, a new family of bivariate discrete distributions is proposed based on the copula concept, in the so-called bivariate discrete odd generalized exponential-G family. Some distributional properties, including the joint probability mass...

(This article belongs to the Special Issue Mathematical Tools and Techniques Applicable to Probability Theory and Statistics II)
  • Article
  • Open Access
1 Citations
1,949 Views
17 Pages

Bivariate Pareto–Feller Distribution Based on Appell Hypergeometric Function

  • Christian Caamaño-Carrillo,
  • Moreno Bevilacqua,
  • Michael Zamudio-Monserratt and
  • Javier E. Contreras-Reyes

9 October 2024

The Pareto–Feller distribution has been widely used across various disciplines to model “heavy-tailed” phenomena, where extreme events such as high incomes or large losses are of interest. In this paper, we present a new bivariate d...

(This article belongs to the Special Issue Advances in Statistical Simulation and Computing)
  • Article
  • Open Access
1 Citations
1,885 Views
16 Pages

A Copula-Based Model for Analyzing Bivariate Offense Data

  • Dimuthu Fernando and
  • Wimarsha Jayanetti

19 November 2025

We developed a class of bivariate integer-valued time series models using copula theory. Each count time series is modeled as a Markov chain, with serial dependence characterized through copula-based transition probabilities for Poisson and Negative...

(This article belongs to the Section General Applied Statistics)
  • Article
  • Open Access
3,818 Views
12 Pages

Parameter Estimation of the Dirichlet Distribution Based on Entropy

  • Büşra Şahin,
  • Atıf Ahmet Evren,
  • Elif Tuna,
  • Zehra Zeynep Şahinbaşoğlu and
  • Erhan Ustaoğlu

5 October 2023

The Dirichlet distribution as a multivariate generalization of the beta distribution is especially important for modeling categorical distributions. Hence, its applications vary within a wide range from modeling cell probabilities of contingency tabl...

(This article belongs to the Special Issue Reliability and Risk of Complex Systems: Modelling, Analysis and Optimization)
  • Feature Paper
  • Article
  • Open Access
18 Citations
3,880 Views
22 Pages

19 August 2019

This study focuses on the stochastic differential calculus of Itô, as an effective tool for the analysis of noise in forest growth and yield modeling. Idea of modeling state (tree size) variable in terms of univariate stochastic differential eq...

(This article belongs to the Special Issue Stochastic Differential Equations and Their Applications)
  • Article
  • Open Access
2 Citations
2,523 Views
24 Pages

Joint Failure Probability of Dams Based on Probabilistic Flood Hazard Analysis

  • Matthew G. Montgomery,
  • Miles B. Yaw and
  • John S. Schwartz

17 March 2024

Probabilistic risk methods are becoming increasingly accepted as a means of carrying out risk-informed decision making regarding the design and operation policy of structures such as dams. Probabilistic risk calculations require the quantification of...

(This article belongs to the Special Issue Application of Big Data and Deep Learning in Hydrological Modelling, Flood and Drought Monitoring)
  • Article
  • Open Access
1 Citations
1,402 Views
17 Pages

27 February 2025

To save time and cost for a parameter inference, the type-II hybrid censoring scheme has been broadly applied to collect one-component samples. In the current study, one of the essential parameters for comparing two distributions, that is, the stress...

(This article belongs to the Special Issue Statistical Simulation and Computation: 3rd Edition)
  • Article
  • Open Access
10 Citations
3,928 Views
16 Pages

The Copula Application for Analysis of the Flood Threat at the River Confluences in the Danube River Basin in Slovakia

  • Veronika Bačová Mitková,
  • Dana Halmová,
  • Pavla Pekárová and
  • Pavol Miklánek

4 March 2023

In hydrological practice, individual elements of the hydrological cycle are most often estimated and evaluated separately. Uncertainty in the size estimation of extrema discharges and their return period can affect the statistical assessment of the s...

(This article belongs to the Special Issue Advance in Flood Risk Management and Assessment Research)
  • Article
  • Open Access
2 Citations
3,401 Views
18 Pages

13 October 2020

Bivariate modeling and hazard assessment of low flows are performed exploiting copulas. 7-day low flows observed, respectively, in the upper, middle and lower parts of the Çoruh basin (Turkey) are examined, considering three pairs of certified...

(This article belongs to the Section Hydrology)
  • Article
  • Open Access
2,363 Views
30 Pages

Goodness-of-Fit Test for the Bivariate Negative Binomial Distribution

  • Francisco Novoa-Muñoz and
  • Juan Pablo Aguirre-González

12 January 2025

When modeling real-world data, we face the challenge of determining which probability distribution best represents the data. To address this intricate problem, we rely on goodness-of-fit tests. However, when the data come from a bivariate negative bi...

(This article belongs to the Special Issue Advances in Statistical Simulation and Computing)
  • Article
  • Open Access
9 Citations
3,940 Views
12 Pages

A Class of Copula-Based Bivariate Poisson Time Series Models with Applications

  • Mohammed Alqawba,
  • Dimuthu Fernando and
  • Norou Diawara

A class of bivariate integer-valued time series models was constructed via copula theory. Each series follows a Markov chain with the serial dependence captured using copula-based transition probabilities from the Poisson and the zero-inflated Poisso...

(This article belongs to the Section Computational Engineering)
  • Article
  • Open Access
3 Citations
1,335 Views
16 Pages

24 December 2025

This paper investigates the concomitants of order statistics from the bivariate generalized linear exponential (BGLE) distribution. We obtain the probability density function of a single concomitant and the joint probability density function of two c...

(This article belongs to the Section Information Theory, Probability and Statistics)
  • Article
  • Open Access
4 Citations
1,870 Views
28 Pages

Discrete Joint Random Variables in Fréchet-Weibull Distribution: A Comprehensive Mathematical Framework with Simulations, Goodness-of-Fit Analysis, and Informed Decision-Making

  • Diksha Das,
  • Tariq S. Alshammari,
  • Khudhayr A. Rashedi,
  • Bhanita Das and ,
  • Partha Jyoti Hazarika and
  • Mohamed S. Eliwa
  • + 1 author+ 0 author

30 October 2024

This paper introduces a novel four-parameter discrete bivariate distribution, termed the bivariate discretized Fréchet–Weibull distribution (BDFWD), with marginals derived from the discretized Fréchet–Weibull distribution. S...

(This article belongs to the Section D1: Probability and Statistics)
  • Article
  • Open Access
309 Views
18 Pages

Calculating Combined Hazard Thresholds for Rainfall-Induced Hazards Based on Copula Functions

  • Jingfang You,
  • Shuhao Zhong,
  • Dingji Zeng,
  • Tuo Zeng and ,
  • Jiaye Su,
  • Shengbin Yang and
  • Ming Zhong
  • + 2 authors+ 0 author

1 September 2026

Against the background of global climate change and rapid urbanization, the frequency of extreme hydrological events has increased markedly, and hydrological and geological hazards induced by extreme heavy rainfall have occurred frequently. Consideri...

(This article belongs to the Special Issue Flooding Prevention Strategies for Flood-Prone Cities Under Climate Change)
  • Feature Paper
  • Article
  • Open Access
5 Citations
5,073 Views
16 Pages

17 August 2022

There has been a considerable amount of literature on binomial regression models that utilize well-known link functions, such as logistic, probit, and complementary log-log functions. The conventional binomial model is focused only on a single parame...

(This article belongs to the Special Issue Statistical Methods for Modeling High-Dimensional and Complex Data)
  • Article
  • Open Access
2,288 Views
16 Pages

23 July 2023

The notion that the occurrence of an event is surprising has been discussed in the literature without adequate details. By definition, a surprise index is an index by which how surprising an event is may be determined. Since its inception, this index...

(This article belongs to the Special Issue Parametric and Nonparametric Statistics: From Theory to Applications)
  • Article
  • Open Access
1 Citations
4,239 Views
18 Pages

21 August 2018

The vulnerability of the water supply capacity of a dam is defined as the expected deficit volume from a typical water deficit event. In this study, a water deficit event was assumed to be a rectangle composed of the deficit duration and deficit inte...

(This article belongs to the Section Hydrology)
  • Article
  • Open Access
394 Views
16 Pages

8 September 2026

This paper investigates the stochastic behavior of Galton–Watson processes at the brink of extinction. Let {Zn:n≥0} denote a Galton–Watson process. We define the brink time of extinction as τ=infn−1:Zn=0, and set Sn=∑k=0n...

(This article belongs to the Special Issue Applied Probability and Statistics: Theory, Methods, and Applications)

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