Works by Leiva, Victor

Results: 199

Two New Mixture Models Related to the Inverse Gaussian Distribution.

Published in:

Methodology & Computing in Applied Probability, 2010, v. 12, n. 1, p. 199, doi. 10.1007/s11009-008-9112-4

By:

Kotz, Samuel;
Leiva, Víctor;
Sanhueza, Antonio

Publication type:

Article

Assessment of profitability and efficiency of regulatory acts on energy-intensive industries: a panel data methodology and case study in India.

Published in:

Stochastic Environmental Research & Risk Assessment, 2023, v. 37, n. 12, p. 5009, doi. 10.1007/s00477-023-02536-8

By:

Sharma, Prayas;
Sharma, Anukriti;
Leiva, Víctor;
Cabezas, Xavier;
Martin-Barreiro, Carlos

Publication type:

Article

On a new extreme value distribution: characterization, parametric quantile regression, and application to extreme air pollution events.

Published in:

Stochastic Environmental Research & Risk Assessment, 2023, v. 37, n. 3, p. 1119, doi. 10.1007/s00477-022-02318-8

By:

Saulo, Helton;
Vila, Roberto;
Bittencourt, Verônica L.;
Leão, Jeremias;
Leiva, Víctor;
Christakos, George

Publication type:

Article

Machine learning and automatic ARIMA/Prophet models-based forecasting of COVID-19: methodology, evaluation, and case study in SAARC countries.

Published in:

Stochastic Environmental Research & Risk Assessment, 2023, v. 37, n. 1, p. 345, doi. 10.1007/s00477-022-02307-x

By:

Sardar, Iqra;
Akbar, Muhammad Azeem;
Leiva, Víctor;
Alsanad, Ahmed;
Mishra, Pradeep

Publication type:

Article

A new principal component analysis by particle swarm optimization with an environmental application for data science.

Published in:

Stochastic Environmental Research & Risk Assessment, 2021, v. 35, n. 10, p. 1969, doi. 10.1007/s00477-020-01961-3

By:

Ramirez-Figueroa, John A.;
Martin-Barreiro, Carlos;
Nieto-Librero, Ana B.;
Leiva, Victor;
Galindo-Villardón, M. Purificación

Publication type:

Article

Global and local diagnostic analytics for a geostatistical model based on a new approach to quantile regression.

Published in:

Stochastic Environmental Research & Risk Assessment, 2020, v. 34, n. 10, p. 1457, doi. 10.1007/s00477-020-01831-y

By:

Leiva, Víctor;
Sánchez, Luis;
Galea, Manuel;
Saulo, Helton

Publication type:

Article

An errors-in-variables model based on the Birnbaum–Saunders distribution and its diagnostics with an application to earthquake data.

Published in:

Stochastic Environmental Research & Risk Assessment, 2020, v. 34, n. 2, p. 369, doi. 10.1007/s00477-020-01767-3

By:

Carrasco, Jalmar M. F.;
Figueroa-Zuñiga, Jorge I.;
Leiva, Victor;
Riquelme, Marco;
Aykroyd, Robert G.

Publication type:

Article

Birnbaum–Saunders functional regression models for spatial data.

Published in:

Stochastic Environmental Research & Risk Assessment, 2019, v. 33, n. 10, p. 1765, doi. 10.1007/s00477-019-01708-9

By:

Martínez, Sergio;
Giraldo, Ramón;
Leiva, Víctor

Publication type:

Article

Kriging with external drift in a Birnbaum-Saunders geostatistical model.

Published in:

Stochastic Environmental Research & Risk Assessment, 2018, v. 32, n. 6, p. 1517, doi. 10.1007/s00477-018-1546-9

By:

Garcia-Papani, Fabiana;
Uribe-Opazo, Miguel A.;
Leiva, Víctor;
Ruggeri, Fabrizio

Publication type:

Article

A stochastic methodology for risk assessment of a large earthquake when a long time has elapsed.

Published in:

Stochastic Environmental Research & Risk Assessment, 2017, v. 31, n. 9, p. 2327, doi. 10.1007/s00477-016-1288-5

By:

Fierro, Raúl;
Leiva, Víctor

Publication type:

Article

Birnbaum-Saunders spatial modelling and diagnostics applied to agricultural engineering data.

Published in:

Stochastic Environmental Research & Risk Assessment, 2017, v. 31, n. 1, p. 105, doi. 10.1007/s00477-015-1204-4

By:

Garcia-Papani, Fabiana;
Uribe-Opazo, Miguel;
Leiva, Victor;
Aykroyd, Robert

Publication type:

Article

Extreme value Birnbaum-Saunders regression models applied to environmental data.

Published in:

Stochastic Environmental Research & Risk Assessment, 2016, v. 30, n. 3, p. 1045, doi. 10.1007/s00477-015-1069-6

By:

Leiva, Víctor;
Ferreira, Marta;
Gomes, M.;
Lillo, Camilo

Publication type:

Article

An interactive biplot implementation in for modeling genotype-by-environment interaction.

Published in:

Stochastic Environmental Research & Risk Assessment, 2014, v. 28, n. 7, p. 1629, doi. 10.1007/s00477-013-0821-z

By:

Frutos, Elisa;
Galindo, M.;
Leiva, Víctor

Publication type:

Article

A nonparametric method for estimating asymmetric densities based on skewed Birnbaum-Saunders distributions applied to environmental data.

Published in:

Stochastic Environmental Research & Risk Assessment, 2013, v. 27, n. 6, p. 1479, doi. 10.1007/s00477-012-0684-8

By:

Saulo, Helton;
Leiva, Víctor;
Ziegelmann, Flavio;
Marchant, Carolina

Publication type:

Article

An extended Birnbaum–Saunders model and its application in the study of environmental quality in Santiago, Chile.

Published in:

Stochastic Environmental Research & Risk Assessment, 2010, v. 24, n. 5, p. 771, doi. 10.1007/s00477-009-0363-6

By:

Vilca, Filidor;
Sanhueza, Antonio;
Leiva, Víctor;
Christakos, George

Publication type:

Article

A length-biased version of the Birnbaum-Saunders distribution with application in water quality.

Published in:

Stochastic Environmental Research & Risk Assessment, 2009, v. 23, n. 4, p. 299, doi. 10.1007/s00477-008-0215-9

By:

Leiva, Víctor;
Sanhueza, Antonio;
Angulo, José M.

Publication type:

Article

Influence diagnostic analysis in the possibly heteroskedastic linear model with exact restrictions.

Published in:

Statistical Methods & Applications, 2016, v. 25, n. 2, p. 227, doi. 10.1007/s10260-015-0329-4

By:

Liu, Shuangzhe;
Leiva, Víctor;
Ma, Tiefeng;
Welsh, Alan

Publication type:

Article

Influence diagnostics in the tobit censored response model.

Published in:

Statistical Methods & Applications, 2010, v. 19, n. 3, p. 379, doi. 10.1007/s10260-010-0135-y

By:

Barros, Michelli;
Galea, Manuel;
González, Manuel;
Leiva, Víctor

Publication type:

Article

Successful aminolevulinic acid photodynamic therapy for recalcitrant severe hidradenitis suppurativa.

Published in:

2010

By:

Guglielmetti, Antonio;
Bedoya, Juliana;
Acuna, Maribel;
Leiva, Victor;
Gonzalez, Sergio

Publication type:

Letter

Modeling Income Data via New Parametric Quantile Regressions: Formulation, Computational Statistics, and Application.

Published in:

Mathematics (2227-7390), 2023, v. 11, n. 2, p. 448, doi. 10.3390/math11020448

By:

Saulo, Helton;
Vila, Roberto;
Borges, Giovanna V.;
Bourguignon, Marcelo;
Leiva, Víctor;
Marchant, Carolina

Publication type:

Article

On the Use of Variability Measures to Analyze Source Coding Data Based on the Shannon Entropy.

Published in:

Mathematics (2227-7390), 2023, v. 11, n. 2, p. 293, doi. 10.3390/math11020293

By:

de Oliveira, Helio M.;
Ospina, Raydonal;
Martin-Barreiro, Carlos;
Leiva, Víctor;
Chesneau, Christophe

Publication type:

Article

Improvement of Furuta's Inequality with Applications to Numerical Radius.

Published in:

Mathematics (2227-7390), 2023, v. 11, n. 1, p. 36, doi. 10.3390/math11010036

By:

Alomari, Mohammad W.;
Bakherad, Mojtaba;
Hajmohamadi, Monire;
Chesneau, Christophe;
Leiva, Víctor;
Martin-Barreiro, Carlos

Publication type:

Article

A Fuzzy Design for a Sliding Mode Observer-Based Control Scheme of Takagi-Sugeno Markov Jump Systems under Imperfect Premise Matching with Bio-Economic and Industrial Applications.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 18, p. 3309, doi. 10.3390/math10183309

By:

Alshammari, Obaid;
Kchaou, Mourad;
Jerbi, Houssem;
Ben Aoun, Sondess;
Leiva, Víctor

Publication type:

Article

Modeling Inventory Cost Savings and Supply Chain Success Factors: A Hybrid Robust Compromise Multi-Criteria Approach.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 16, p. 2911, doi. 10.3390/math10162911

By:

Rojas, Fernando;
Wanke, Peter;
Leiva, Víctor;
Huerta, Mauricio;
Martin-Barreiro, Carlos

Publication type:

Article

Improvement of Some Hayashi–Ostrowski Type Inequalities with Applications in a Probability Setting.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 13, p. 2316, doi. 10.3390/math10132316

By:

Alomari, Mohammad W.;
Chesneau, Christophe;
Leiva, Víctor;
Martin-Barreiro, Carlos

Publication type:

Article

A Stochastic Optimization Algorithm to Enhance Controllers of Photovoltaic Systems.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 12, p. 2128, doi. 10.3390/math10122128

By:

Charfeddine, Samia;
Alharbi, Hadeel;
Jerbi, Houssem;
Kchaou, Mourad;
Abbassi, Rabeh;
Leiva, Víctor

Publication type:

Article

An Equity-Based Optimization Model to Solve the Location Problem for Healthcare Centers Applied to Hospital Beds and COVID-19 Vaccination.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 11, p. 1825, doi. 10.3390/math10111825

By:

Delgado, Erwin J.;
Cabezas, Xavier;
Martin-Barreiro, Carlos;
Leiva, Víctor;
Rojas, Fernando

Publication type:

Article

Grüss-Type Inequalities for Vector-Valued Functions.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 9, p. 1535, doi. 10.3390/math10091535

By:

Alomari, Mohammad W.;
Chesneau, Christophe;
Leiva, Víctor

Publication type:

Article

Vasicek Quantile and Mean Regression Models for Bounded Data: New Formulation, Mathematical Derivations, and Numerical Applications.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 9, p. 1389, doi. 10.3390/math10091389

By:

Mazucheli, Josmar;
Alves, Bruna;
Korkmaz, Mustafa Ç.;
Leiva, Víctor

Publication type:

Article

Multiscale Monitoring Using Machine Learning Methods: New Methodology and an Industrial Application to a Photovoltaic System.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 6, p. 890, doi. 10.3390/math10060890

By:

Chaouch, Hanen;
Charfeddine, Samia;
Ben Aoun, Sondess;
Jerbi, Houssem;
Leiva, Víctor

Publication type:

Article

Abnormality Detection and Failure Prediction Using Explainable Bayesian Deep Learning: Methodology and Case Study with Industrial Data.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 4, p. N.PAG, doi. 10.3390/math10040554

By:

Nor, Ahmad Kamal Mohd;
Pedapati, Srinivasa Rao;
Muhammad, Masdi;
Leiva, Víctor

Publication type:

Article

A Study on Computational Algorithms in the Estimation of Parameters for a Class of Beta Regression Models.

Published in:

Mathematics (2227-7390), 2022, v. 10, n. 3, p. 299, doi. 10.3390/math10030299

By:

Couri, Lucas;
Ospina, Raydonal;
Silva, Geiza da;
Leiva, Víctor;
Figueroa-Zúñiga, Jorge

Publication type:

Article

A New Quantile Regression Model and Its Diagnostic Analytics for a Weibull Distributed Response with Applications.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 21, p. 2768, doi. 10.3390/math9212768

By:

Sánchez, Luis;
Leiva, Víctor;
Saulo, Helton;
Marchant, Carolina;
Sarabia, José M.

Publication type:

Article

A New Algorithm for Computing Disjoint Orthogonal Components in the Parallel Factor Analysis Model with Simulations and Applications to Real-World Data.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 17, p. 2058, doi. 10.3390/math9172058

By:

Martin-Barreiro, Carlos;
Ramirez-Figueroa, John A.;
Cabezas, Xavier;
Leiva, Victor;
Martin-Casado, Ana;
Galindo-Villardón, M. Purificación

Publication type:

Article

A New Birnbaum–Saunders Distribution and Its Mathematical Features Applied to Bimodal Real-World Data from Environment and Medicine.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 16, p. 1891, doi. 10.3390/math9161891

By:

Reyes, Jimmy;
Arrué, Jaime;
Leiva, Víctor;
Martin-Barreiro, Carlos

Publication type:

Article

Modeling COVID-19 Cases Statistically and Evaluating Their Effect on the Economy of Countries.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 13, p. 1558, doi. 10.3390/math9131558

By:

de la Fuente-Mella, Hanns;
Rubilar, Rolando;
Chahuán-Jiménez, Karime;
Leiva, Víctor

Publication type:

Article

Modeling the Risk of Infectious Diseases Transmitted by Aedes aegypti Using Survival and Aging Statistical Analysis with a Case Study in Colombia.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 13, p. 1488, doi. 10.3390/math9131488

By:

Velasco, Henry;
Laniado, Henry;
Toro, Mauricio;
Catano-López, Alexandra;
Leiva, Víctor;
Lio, Yuhlong

Publication type:

Article

Predicting PM2.5 and PM10 Levels during Critical Episodes Management in Santiago, Chile, with a Bivariate Birnbaum-Saunders Log-Linear Model.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 6, p. 645, doi. 10.3390/math9060645

By:

Puentes, Rodrigo;
Marchant, Carolina;
Leiva, Víctor;
Figueroa-Zúñiga, Jorge I.;
Ruggeri, Fabrizio;
D'Urso, Pierpaolo

Publication type:

Article

A New Algorithm for Computing Disjoint Orthogonal Components in the Three-Way Tucker Model.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 3, p. 203, doi. 10.3390/math9030203

By:

Martin-Barreiro, Carlos;
Ramirez-Figueroa, John A.;
Nieto-Librero, Ana B.;
Leiva, Víctor;
Martin-Casado, Ana;
Galindo-Villardón, M. Purificación

Publication type:

Article

Sign, Wilcoxon and Mann-Whitney Tests for Functional Data: An Approach Based on Random Projections.

Published in:

Mathematics (2227-7390), 2021, v. 9, n. 1, p. 44, doi. 10.3390/math9010044

By:

Meléndez, Rafael;
Giraldo, Ramón;
Leiva, Víctor

Publication type:

Article

Data-Influence Analytics in Predictive Models Applied to Asthma Disease.

Published in:

Mathematics (2227-7390), 2020, v. 8, n. 9, p. 1587, doi. 10.3390/math8091587

By:

Tapia, Alejandra;
Giampaoli, Viviana;
Leiva, Víctor;
Lio, Yuhlong

Publication type:

Article

Cokriging Prediction Using as Secondary Variable a Functional Random Field with Application in Environmental Pollution.

Published in:

Mathematics (2227-7390), 2020, v. 8, n. 8, p. 1305, doi. 10.3390/math8081305

By:

Giraldo, Ramón;
Herrera, Luis;
Leiva, Víctor

Publication type:

Article

Robust Three-Step Regression Based on Comedian and Its Performance in Cell-Wise and Case-Wise Outliers.

Published in:

Mathematics (2227-7390), 2020, v. 8, n. 8, p. 1259, doi. 10.3390/math8081259

By:

Velasco, Henry;
Laniado, Henry;
Toro, Mauricio;
Leiva, Víctor;
Lio, Yuhlong

Publication type:

Article

Birnbaum-Saunders Quantile Regression Models with Application to Spatial Data.

Published in:

Mathematics (2227-7390), 2020, v. 8, n. 6, p. 1000, doi. 10.3390/math8061000

By:

Sánchez, Luis;
Leiva, Víctor;
Galea, Manuel;
Saulo, Helton

Publication type:

Article

Diagnostic Analytics for an Autoregressive Model under the Skew-Normal Distribution.

Published in:

Mathematics (2227-7390), 2020, v. 8, n. 5, p. 693, doi. 10.3390/math8050693

By:

Liu, Yonghui;
Mao, Guohua;
Leiva, Víctor;
Liu, Shuangzhe;
Tapia, Alejandra

Publication type:

Article

Numerical Solutions of a Differential System Considering a Pure Hybrid Fuzzy Neutral Delay Theory.

Published in:

Electronics (2079-9292), 2022, v. 11, n. 9, p. N.PAG, doi. 10.3390/electronics11091478

By:

Dhandapani, Prasantha Bharathi;
Thippan, Jayakumar;
Martin-Barreiro, Carlos;
Leiva, Víctor;
Chesneau, Christophe

Publication type:

Article

A new taxonomy of global software development best practices using prioritization based on a fuzzy system.

Published in:

Journal of Software: Evolution & Process, 2024, v. 36, n. 3, p. 1, doi. 10.1002/smr.2629

By:

Azeem Akbar, Muhammad;
Leiva, Víctor

Publication type:

Article

Towards roadmap to implement blockchain in healthcare systems based on a maturity model.

Published in:

Journal of Software: Evolution & Process, 2022, v. 34, n. 12, p. 1, doi. 10.1002/smr.2500

By:

Akbar, Muhammad Azeem;
Leiva, Víctor;
Rafi, Saima;
Qadri, Syed Furqan;
Mahmood, Sajjad;
Alsanad, Ahmed

Publication type:

Article

Log‐symmetric quantile regression models.

Published in:

Statistica Neerlandica, 2022, v. 76, n. 2, p. 124, doi. 10.1111/stan.12243

By:

Saulo, Helton;
Dasilva, Alan;
Leiva, Víctor;
Sánchez, Luis;
de la Fuente‐Mella, Hanns

Publication type:

Article

Robust beta regression modeling with errors-in-variables: a Bayesian approach and numerical applications.

Published in:

Statistical Papers, 2022, v. 63, n. 3, p. 919, doi. 10.1007/s00362-021-01260-1

By:

Figueroa-Zúñiga, Jorge I.;
Bayes, Cristian L.;
Leiva, Víctor;
Liu, Shuangzhe

Publication type:

Article