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Victor Leiva

Profesor Titular

Pontificia Universidad Católica de Valparaíso

Valparaiso, Chile

Statistical modeling; Influence diagnostics

Estadistica, Universidad de Granada. España, 1999

Profesor Titular Full Time

PONTIFICIA UNIVERSIDAD CATOLICA DE VALPARAISO

Valparaiso, Chile

2017 - At present


A CobbDouglas type model with stochastic restrictions: formulation, local influence diagnostics and data analytics in economics Article SCOPUS Quality and Quantity (2019)
Failure rate of Birnbaum-Saunders distributions: Shape, change-point, estimation and robustness Athayde, E Article ISI SCOPUS BRAZILIAN JOURNAL OF PROBABILITY AND STATISTICS (2019)
Log-symmetric regression models: information criteria and application to movie business and industry data with economic implications Ventura M.; Monsueto S. Article ISI SCOPUS APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY (2019)
Modeling lot-size with time-dependent demand based on stochastic programming and case study of drug supply in Chile Wanke, P Article ISI SCOPUS PLOS ONE (2019)
Non-pharmacological motor-cognitive treatment to improve the mental health of elderly adults Ponce, Javiera; Latin, Claudia; Rodriguez, Fernando; Jimenez, Christian E. Article ISI SCOPUS Revista da Associacao Medica Brasileira (2019)
Sensitivity analysis of longitudinal count responses: a local influence approach and application to medical data Diaz, MD Article ISI SCOPUS JOURNAL OF APPLIED STATISTICS (2019)
A beta partial least squares regression model: Diagnostics and application to mining industry data Huerta, M; Lillo, C Article ISI APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY (2018)
A new estimator for the covariance of the PLS coefficients estimator with applications to chemical data Article ISI SCOPUS Journal of Chemometrics (2018)
A survival model with Birnbaum-Saunders frailty for uncensored and censored cancer data Leao, J Article ISI SCOPUS BRAZILIAN JOURNAL OF PROBABILITY AND STATISTICS (2018)
Birnbaum-Saunders spatial regression models: Diagnostics and application to chemical data Article ISI SCOPUS CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS (2018)
Cumulative damage and times of occurrence for a multicomponent system: A discrete time approach Article ISI SCOPUS Journal of Multivariate Analysis (2018)
Generalized Tobit models: diagnostics and application in econometrics Article ISI SCOPUS JOURNAL OF APPLIED STATISTICS (2018)
Incorporation of frailties into a cure rate regression model and its diagnostics and application to melanoma data Article ISI SCOPUS Statistics in Medicine (2018)
Influence diagnostics in mixed effects logistic regression models Giampaoli, V Article SCOPUS Test (2018)
Kriging with external drift in a Birnbaum-Saunders geostatistical model Ruggeri, F Article ISI SCOPUS STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT (2018)
L-moments of the Birnbaum-Saunders distribution and its extreme value version: estimation, goodness of fit and application to earthquake data Article ISI JOURNAL OF APPLIED STATISTICS (2018)
Monitoring urban environmental pollution by bivariate control charts: New methodology and case study in Santiago, Chile Christakos, G; Cavieres, M.F. Article SCOPUS Environmetrics (2018)
On a tobit-Birnbaum-Saunders model with an application to medical data Saulo, H Article ISI JOURNAL OF APPLIED STATISTICS (2018)
Robust multivariate control charts based on Birnbaum-Saunders distributions Article ISI SCOPUS JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION (2018)
A methodology based on the Birnbaum-Saunders distribution for reliability analysis applied to nano-materials Ruggeri, Fabrizio; Saulo, Helton Article ISI SCOPUS RELIABILITY ENGINEERING & SYSTEM SAFETY (2017)
Birnbaum-Saunders frailty regression models: Diagnostics and application to medical data Tomazella V. Article ISI SCOPUS BIOMETRICAL JOURNAL (2017)
Birnbaum-Saunders spatial modelling and diagnostics applied to agricultural engineering data Garcia-Papani F.; Aykroyd R.G. Article ISI SCOPUS STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT (2017)
Birnbaum–Saunders autoregressive conditional duration models applied to high-frequency financial data Aykroyd R.G. Article SCOPUS Statistical Papers (2017)
A methodology for stochastic inventory models based on a zero-adjusted Birnbaum-Saunders distribution Leiva, V; Santos-Neto, M; Cysneiros, FJA; Barros, M Article ISI SCOPUS APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY (2016)
A Multivariate Log-Linear Model for Birnbaum-Saunders Distributions Marchant, C; Leiva, V Article ISI SCOPUS IEEE TRANSACTIONS ON RELIABILITY (2016)
A stochastic methodology for risk assessment of a large earthquake when a long time has elapsed Article ISI SCOPUS STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT (2016)
Diagnostics in elliptical regression models with stochastic restrictions applied to econometrics Leiva, V; Liu, SZ; Shi, L; Cysneiros, FJA Article ISI SCOPUS JOURNAL OF APPLIED STATISTICS (2016)
Extreme value Birnbaum-Saunders regression models applied to environmental data Leiva, V; Ferreira, M; Gomes, MI; Lillo, C Article ISI SCOPUS STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT (2016)
Influence diagnostic analysis in the possibly heteroskedastic linear model with exact restrictions Liu, S; Leiva, V; Ma, T; Welsh A. Article ISI SCOPUS STATISTICAL METHODS AND APPLICATIONS (2016)
Inventory management for new products with triangularly distributed demand and lead-time Wanke, P; Ewbank, H; Leiva, V; Rojas, F Article ISI SCOPUS COMPUTERS & OPERATIONS RESEARCH (2016)
On a nonlinear Birnbaum-Saunders model based on a bivariate construction and its characteristics Khosravi, M; Leiva, V; Jamalizadeh, A; Porcu, E Article ISI SCOPUS COMMUNICATIONS IN STATISTICS-THEORY AND METHODS (2016)
A criterion for environmental assessment using Birnbaum-Saunders attribute control charts Leiva, V; Marchant, C; Ruggeri, F; Saulo, H Article ISI SCOPUS Environmetrics (2015)
On matrix-variate Birnbaum-Saunders distributions and their estimation and application Sánchez, L; Leiva, V; Caro-Lopera, FJ; Cysneiros, FJA Article ISI SCOPUS Brazilian Journal of Probability and Statistics (2015)
Optimization of contribution margins in food services by modeling independent component demand [Optimización de márgenes de contribución en servicios de alimentación modelando la demanda de componentes independientes] Rojas, F; Leiva, V; Wanke, P; Marchant, C Article SCOPUS Revista Colombiana de Estadística (2015)
Statistical Inference on a Stochastic Epidemic Model Fierro, R; Leiva, V; Balakrishnan, N Article ISI SCOPUS Communications in Statistics: Simulation and Computation (2015)
THE HAWKES PROCESS WITH DIFFERENT EXCITING FUNCTIONS AND ITS ASYMPTOTIC BEHAVIOR Fierro, R; Leiva, V Article ISI SCOPUS Journal of Applied Probability (2015)
A family of autoregressive conditional duration models applied to financial data Leiva, V; Saulo, H; Leao, J; Marchant, C Article ISI SCOPUS COMPUTATIONAL STATISTICS & DATA ANALYSIS (2014)
A methodology for biplots based on bootstrapping with r [Una metodología para biplots basada en bootstrapping con R] Nieto A.B.; Leiva, V; Vicente-Galindo, P Article SCOPUS Revista Colombiana de Estadistica (2014)
A REPARAMETERIZED BIRNBAUM-SAUNDERS DISTRIBUTION AND ITS MOMENTS, ESTIMATION AND APPLICATIONS Santos-Neto, M; Cysneiros, FJA; Leiva, V; Barros, M Article ISI REVSTAT-STATISTICAL JOURNAL (2014)
Birnbaum-Saunders statistical modelling: a new approach Leiva, V; Santos-Neto, M; Cysneiros, FJA; Barros, M Article ISI STATISTICAL MODELLING (2014)
Capability indices for Birnbaum-Saunders processes applied to electronic and food industries Leiva, V; Marchant, C; Saulo, H; Aslam, M; Rojas, F Article ISI SCOPUS JOURNAL OF APPLIED STATISTICS (2014)
Diagnostics in Birnbaum-Saunders accelerated life models with an application to fatigue data Leiva, V; Rojas, E; Galea, M; Sanhueza, A Article ISI SCOPUS APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY (2014)
Goodness-of-Fit Tests for the Birnbaum-Saunders Distribution With Censored Reliability Data Barros, M; Leiva, V; Ospina, R; Tsuyuguchi, A Article ISI SCOPUS IEEE TRANSACTIONS ON RELIABILITY (2014)
Graphical tools to assess goodness-of-fit in non-location-scale distributions [Herramientas gráficas para evaluar bondad de ajuste en distribuciones de no-localización-escala] Kuriss C.C.; Leiva, V; Athayde, E Article SCOPUS Revista Colombiana de Estadistica (2014)
A new variance stabilizing transformation for gene expression data analysis Kelmansky, DM; Martinez, EJ; Leiva, V Article ISI SCOPUS Statistical Applications in Genetics and Molecular Biology (2013)
A nonparametric method for estimating asymmetric densities based on skewed Birnbaum-Saunders distributions applied to environmental data Saulo, H; Leiva, V; Ziegelmann, FA; Marchant, C Article ISI SCOPUS Stochastic Environmental Research and Risk Assessment (2013)
Generalized Birnbaum-Saunders kernel density estimators and an analysis of financial data Marchant, C; Bertin, K; Leiva, V; Saulo, H Article ISI SCOPUS Computational Statistics and Data Analysis (2013)
On a Birnbaum-Saunders distribution arising from a non-homogeneous Poisson process Fierro, R; Leiva, V; Ruggeri, F; Sanhueza, A Article ISI SCOPUS Statistics and Probability Letters (2013)
On a variance stabilizing model and its application to genomic data Vilca, F; Rodrigues-Motta, M; Leiva, V Article ISI SCOPUS Journal of Applied Statistics (2013)
About Birnbaum-Saunders Distributions Based on the Johnson System Athayde, E; Azevedo, C; Leiva, V; Sanhueza, A Article ISI SCOPUS Communications in Statistics - Theory and Methods (2012)
Connection between the Hadamard and matrix products with an application to matrix-variate Birnbaum-Saunders distributions Leiva, V; Balakrishnan, N Article ISI SCOPUS Journal of Multivariate Analysis (2012)
Fatigue Statistical Distributions Useful for Modeling Diameter and Mortality of Trees Leiva, V; Marchant, C; Bustos O. Article ISI Revista Colombiana de Estadística (2012)
Fatigue statistical distributions useful for modeling diameter and mortality of trees [Distribuciones estadísticas de fatiga útiles para modelar diámetro y mortalidad de árboles] Leiva, V; Ponce M.G.; Marchant, C; Bustos O. Article SCOPUS Revista Colombiana de Estadistica (2012)
Integration Methods of Odds Ratio Based on Meta-Analysis Using Fixed and Random Effect Models Useful in Public Health Catalán, M; Galindo, MP; Martin, J; Leiva, V Article ISI Revista Colombiana de Estadística (2012)
ON AN EXTREME VALUE VERSION OF THE BIRNBAUM-SAUNDERS DISTRIBUTION Ferreira, M; Gomes, MI; Leiva, V Article ISI REVSTAT-STATISTICAL JOURNAL (2012)
ON NEW PARAMETERIZATIONS OF THE BIRNBAUM-SAUNDERS DISTRIBUTION Santos-Neto, M; Leiva, V; Ejaz Ahmed S. Article ISI PAKISTAN JOURNAL OF STATISTICS (2012)
Robust statistical modeling using the Birnbaum-Saunders-t distribution applied to insurance Leiva, V; Barros, M; Liu, S Article ISI SCOPUS Applied Stochastic Models in Business and Industry (2012)
Shape and change point analyses of the Birnbaum-Saunders-t hazard rate and associated estimation Azevedo, C; Leiva, V; Athayde, E; Balakrishnan, N Article ISI SCOPUS Computational Statistics and Data Analysis (2012)
Birnbaum-Saunders Mixed Models for Censored Reliability Data Analysis Villegas, C; Paula, GA; Leiva, V Article ISI SCOPUS IEEE Transactions on Reliability (2011)
Estimation of extreme percentiles in Birnbaum-Saunders distributions Vilca, F; Santana, L; Leiva, V; Balakrishnan, N Article ISI SCOPUS Computational Statistics and Data Analysis (2011)
Influence analysis in skew-Birnbaum-Saunders regression models and applications Santana, L; Vilca, F; Leiva, V Article ISI SCOPUS Journal of Applied Statistics (2011)
Influence diagnostics on the coefficient of variation of elliptically contoured distributions Riquelme, M; Leiva, V; Galea, M; Sanhueza, A Article ISI SCOPUS Journal of Applied Statistics (2011)
Modeling wind energy flux by a Birnbaum-Saunders distribution with an unknown shift parameter Leiva, V; Athayde, E; Azevedo, C; Marchant, C Article ISI SCOPUS Journal of Applied Statistics (2011)
New Control Charts Based on the Birnbaum-Saunders Distribution and their Implementation Leiva, V; Soto, G; Cabrera, E; Cabrera, G Article ISI Revista Colombiana de Estadística (2011)
New control charts based on the Birnbaum-Saunders distribution and their implementation [Nuevas cartas de control basadas en la distribución Birnbaum-Saunders y su implementación] Leiva, V; Cabrera, E Article SCOPUS Revista Colombiana de Estadistica (2011)
On some mixture models based on the Birnbaum-Saunders distribution and associated inference Balakrishnan, N; Gupta, RC; Kundu D.; Leiva, V; Sanhueza, A Article ISI SCOPUS Journal of Statistical Planning and Inference (2011)
On the Fernandez-Steel distribution: Inference and application Leiva, V; Sanhueza, A Article ISI SCOPUS Computational Statistics and Data Analysis (2011)
On the Student-t Mixture Inverse Gaussian Model with an Application to Protein Production Sanhueza, A; Leiva, V; Lopez-Kleine, L Article ISI Revista Colombiana de Estadística (2011)
A Skewed Sinh-Normal Distribution and Its Properties and Application to Air Pollution Leiva, V; Vilca, F; Balakrishnan, N; Sanhueza, A Article ISI SCOPUS Communications in Statistics - Theory and Methods (2010)
A TRUNCATED VERSION OF THE BIRNBAUM-SAUNDERS DISTRIBUTION WITH AN APPLICATION IN FINANCIAL RISK Ahmed, SE; Castro-Kuriss, C; Flores, E; Leiva, V; Sanhueza, A Article ISI SCOPUS Pakistan Journal of Statistics (2010)
A UNIFIED MIXTURE MODEL BASED ON THE INVERSE GAUSSIAN DISTRIBUTION Leiva, V; Sanhueza, A; Kotz, S; Araneda, N Article ISI SCOPUS Pakistan Journal of Statistics (2010)
An extended Birnbaum-Saunders model and its application in the study of environmental quality in Santiago, Chile Vilca, F; Sanhueza, A; Leiva, V; Christakos, G Article ISI SCOPUS Stochastic Environmental Research and Risk Assessment (2010)
Influence diagnostics in the tobit censored response model Barros, M; Galea, M; GonzÃ¡lez M; Leiva, V Article ISI SCOPUS Statistical Methods and Applications (2010)
M-PROCEDURES IN THE GENERAL MULTIVARIATE NONLINEAR REGRESSION MODEL Leiva, V; Sanhueza, A; Sen, PK; Araneda, N Article ISI SCOPUS Pakistan Journal of Statistics (2010)
On a goodness-of-fit test for normality with unknown parameters and type-II censored data Castro-Kuriss, C; Kelmansky, DM; Leiva, V; Martinez, EJ Article ISI SCOPUS Journal of Applied Statistics (2010)
Two New Mixture Models Related to the Inverse Gaussian Distribution Kotz, S; Leiva, V; Sanhueza, A Article ISI SCOPUS Methodology and Computing in Applied Probability (2010)
A length-biased version of the Birnbaum-Saunders distribution with application in water quality Leiva, V; Sanhueza, A; Angulo, J Article ISI SCOPUS STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT (2009)
A New Goodness-of-Fit Test for Censored Data with an Application in Monitoring Processes Castro-Kuriss, C; Kelmansky, DM; Leiva, V; Martinez, EJ Article ISI SCOPUS COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION (2009)
A Non-Central Version of the Birnbaum-Saunders Distribution for Reliability Analysis Guiraud, P; Leiva, V; Fierro, R Article ISI SCOPUS IEEE TRANSACTIONS ON RELIABILITY (2009)
A Robust Procedure in Nonlinear Models for Repeated Measurements Sanhueza, A; Sen, PK; Leiva, V Article ISI SCOPUS COMMUNICATIONS IN STATISTICS-THEORY AND METHODS (2009)
An R implementation for generalized Birnbaum-Saunders distributions Barros, M; Paula, GA; Leiva, V Article ISI SCOPUS COMPUTATIONAL STATISTICS & DATA ANALYSIS (2009)
Estimation in the Birnbaum-Saunders distribution based on scale-mixture of normals and the EM-algorithm Balakrishnan, N; Leiva, V; Sanhueza, A; Vilca, F Article ISI SORT-STATISTICS AND OPERATIONS RESEARCH TRANSACTIONS (2009)
Mixture inverse Gaussian distributions and its transformations, moments and applications Balakrishnan, N; Leiva, V; Sanhueza, A; Cabrera, E Article ISI SCOPUS STATISTICS (2009)
On a length-biased life distribution based on the sinh-normal model Sanhueza, A; Leiva, V; Flores, E Article ISI SCOPUS JOURNAL OF THE KOREAN STATISTICAL SOCIETY (2009)
On the glog-normal distribution and its application to the gene expression problem Leiva, V; Sanhueza, A; Kelmansky, DM; Martinez, EJ Article ISI SCOPUS COMPUTATIONAL STATISTICS & DATA ANALYSIS (2009)
A new class of inverse Gaussian type distributions Sanhueza, A; Leiva, V; Balakrishnan, N Article ISI SCOPUS METRIKA (2008)
A new class of survival regression models with heavy-tailed errors: robustness and diagnostics Barros, M; Paula, GA; Leiva, V Article ISI SCOPUS LIFETIME DATA ANALYSIS (2008)
A new three-parameter extension of the inverse Gaussian distribution Leiva, V; Sanhueza, A; Silva, A; Galea, M Article ISI SCOPUS STATISTICS & PROBABILITY LETTERS (2008)
An R package for a general class of inverse Gaussian distributions Leiva, V; Hernandez, H; Sanhueza, A Article ISI SCOPUS JOURNAL OF STATISTICAL SOFTWARE (2008)
Generalized Birnbaum-Saunders distributions applied to air pollutant concentration Leiva, V; Barros, M; Paula, GA; Sanhueza, A Article ISI SCOPUS ENVIRONMETRICS (2008)
Lifetime. analysis based on the generalized Birnbaum-Saunders distribution Leiva, V; Riquelme, M; Balakrishnan, N; Sanhueza, A Article ISI SCOPUS COMPUTATIONAL STATISTICS & DATA ANALYSIS (2008)
Random number generators for the generalized Birnbaum-Saunders distribution Leiva, V; Sanhueza, A; Sen, PK; Paula, GA Article ISI SCOPUS JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION (2008)
The generalized Birnbaum-Saunders distribution and its theory, methodology, and application Sanhueza, A; Leiva, V; Balakrishnan, N Article ISI SCOPUS COMMUNICATIONS IN STATISTICS-THEORY AND METHODS (2008)
Acceptance sampling plans from truncated life tests based on the generalized Birnbaum-Saunders distribution Balakrishnan, N; Leiva, V; López, J Article ISI SCOPUS COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION (2007)
Influence diagnostics in log-Birnbaum-Saunders regression models with censored data Leiva, V; Barros, M; Paula, GA; Galea, M Article ISI SCOPUS COMPUTATIONAL STATISTICS & DATA ANALYSIS (2007)


Monitoring environmental risk by a methodology based on control charts Saulo, H; Leiva, V; Ruggeri, F ConferencePaper SCOPUS Springer Proceedings in Mathematics and Statistics (2015)


An interview with Sam C. Saunders Saunders, SC EditorialMaterial ISI SCOPUS APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY (2019)


A new family of life distributions based on the elliptically contoured distributions (vol 128, pg 445, 2005) Diaz-Garcia, JA; Leiva, V Errata ISI JOURNAL OF STATISTICAL PLANNING AND INFERENCE (2007)


Successful aminolevulinic acid photodynamic therapy for recalcitrant severe hidradenitis suppurativa Guglielmetti, A; Bedoya, J.; Acuña, M; Leiva, V; Gonzalez, S Letter ISI PHOTODERMATOLOGY PHOTOIMMUNOLOGY & PHOTOMEDICINE (2010)


Discussion of Birnbaum-Saunders distribution: A review of models, analysis, and applications and a novel financial extreme value data analytics from natural disasters Gomes, MI Review ISI SCOPUS APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY (2019)
Discussion of Birnbaum-Saunders distribution: A review of models, analysis, and applications and a novel multivariate data analytics for an economics example in the textile industry Review ISI SCOPUS APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY (2019)
Multivariate Birnbaum-Saunders Distributions: Modelling and Applications Review WOS-ESCI SCOPUS RISKS (2018)
Exploring the Potential Use of the Birnbaum-Saunders Distribution in Inventory Management Wanke, P; Leiva, V Review ISI SCOPUS Mathematical Problems in Engineering (2015)
Air Contaminant Statistical Distributions with Application to PM10 in Santiago, Chile Marchant, C; Leiva, V; Sanhueza, A Review ISI REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY (2013)
An interactive biplot implementation in R for modeling genotype-by-environment interaction Frutos E.; Leiva, V Review ISI SCOPUS STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT (2013)