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Loop profile: 265080
ResearcherID: I-8878-2012
Scopus Author ID: 23009700500

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Employment (2)

Universidade Federal da Bahia: Salvador, BA, BR

2022-08-01 to present | Associate Professor (Statistics)
Employment
Source: Self-asserted source
Raydonal Ospina

Federal University of Pernambuco: Recife, Pernambuco, BR

2008-08-25 to 2022-07-31 | Associate Professor (Statistics)
Employment
Source: Self-asserted source
Raydonal Ospina

Education and qualifications (1)

Universidade de São Paulo Instituto de Matemática e Estatística: Sao Paulo, SP, BR

2004-03-02 to 2008-04-02 | Phd Statistics (Statistics)
Education
Source: Self-asserted source
Raydonal Ospina

Works (40)

Symmetry and Complexity in Gene Association Networks Using the Generalized Correlation Coefficient

Symmetry
2024-11 | Journal article | Author
DOI: 10.3390/sym16111510
Contributors: Raydonal Ospina; Cleber Martins Xavier; Gustavo H. Esteves; Patricia Espinheira; Cecilia Castro; Victor Leiva
Source: check_circle
Multidisciplinary Digital Publishing Institute

New Statistical Residuals for Regression Models in the Exponential Family: Characterization, Simulation, Computation, and Applications

Mathematics
2024-10 | Journal article | Author
DOI: 10.3390/math12203196
Contributors: Raydonal Ospina; Patricia Espinheira; Lelio Alejandro Arias Vizcaino ; Cleber Martins Xavier; Victor Leiva; Cecilia Castro
Source: check_circle
Multidisciplinary Digital Publishing Institute

A Statistical Methodology for Evaluating Asymmetry after Normalization with Application to Genomic Data

Stats
2024-09 | Journal article | Author
DOI: 10.3390/stats7030059
Contributors: Victor Leiva; Jimmy Antonio Corzo Salamanca; Myrian-Elena Vergara-Morales; Raydonal Ospina; Cecilia Castro
Source: check_circle
Multidisciplinary Digital Publishing Institute

Ensemble Algorithms to Improve COVID-19 Growth Curve Estimates

Stats
2023-09 | Journal article | Author
DOI: 10.3390/stats6040062
Contributors: Raydonal Ospina; Jaciele Oliveira; Cristiano Ferraz; André Leite; João Gondim
Source: check_circle
Multidisciplinary Digital Publishing Institute

On the Use of Machine Learning Techniques and Non-Invasive Indicators for Classifying and Predicting Cardiac Disorders

Biomedicines
2023-09 | Journal article | Author
DOI: 10.3390/biomedicines11102604
Contributors: Raydonal Ospina; Adenice Ferreira; de Oliveira, H.M.; Victor Leiva; Cecilia Castro
Source: check_circle
Multidisciplinary Digital Publishing Institute

Quasi-Cauchy Regression Modeling for Fractiles Based on Data Supported in the Unit Interval

Fractal and Fractional
2023-09 | Journal article | Author
DOI: 10.3390/fractalfract7090667
Contributors: José Oliveira; Raydonal Ospina; Victor Leiva; Jorge Figueroa-Zúñiga; Cecilia Castro
Source: check_circle
Multidisciplinary Digital Publishing Institute

An Overview of Forecast Analysis with ARIMA Models during the COVID-19 Pandemic: Methodology and Case Study in Brazil

Mathematics
2023-07 | Journal article | Author
DOI: 10.3390/math11143069
Contributors: Raydonal Ospina; João Gondim; Victor Leiva; Cecilia Castro
Source: check_circle
Multidisciplinary Digital Publishing Institute

Biased Random-Key Genetic Algorithm with Local Search Applied to the Maximum Diversity Problem

Mathematics
2023-07 | Journal article | Author
DOI: 10.3390/math11143072
Contributors: Geiza Silva; André Leite; Raydonal Ospina; Victor Leiva; Jorge Figueroa-Zúñiga; Cecilia Castro
Source: check_circle
Multidisciplinary Digital Publishing Institute

Robust Semi-Parametric Inference for Two-Stage Production Models: A Beta Regression Approach

Symmetry
2023-07 | Journal article | Author
DOI: 10.3390/sym15071362
Contributors: Raydonal Ospina; Samuel Baltazar; Victor Leiva; Jorge Figueroa-Zúñiga; Cecilia Castro
Source: check_circle
Multidisciplinary Digital Publishing Institute

Similarity-Based Predictive Models: Sensitivity Analysis and a Biological Application with Multi-Attributes

Biology
2023-07 | Journal article | Author
DOI: 10.3390/biology12070959
Contributors: Jeniffer J. Duarte Sanchez; Leandro Rego; Raydonal Ospina; Victor Leiva; christophe chesneau; Cecilia Castro
Source: check_circle
Multidisciplinary Digital Publishing Institute

Wavelet Support Vector Censored Regression

Analytics
2023-05 | Journal article | Author
DOI: 10.3390/analytics2020023
Contributors: Mateus Maia; Jonatha Sousa Pimentel; Raydonal Ospina; Anderson Ara
Source: check_circle
Multidisciplinary Digital Publishing Institute

Weibull Regression and Machine Learning Survival Models: Methodology, Comparison, and Application to Biomedical Data Related to Cardiac Surgery

Biology
2023-03 | Journal article | Author
DOI: 10.3390/biology12030442
Contributors: Thalytta Evilly Cavalcante Silva; Raydonal Ospina; Victor Leiva; Xavier Cabezas; Carlos Martin-Barreiro
Source: check_circle
Multidisciplinary Digital Publishing Institute

A New Wavelet-Based Privatization Mechanism for Probability Distributions

Sensors
2022-05 | Journal article | Author
DOI: 10.3390/s22103743
Contributors: de Oliveira, H.M.; Raydonal Ospina; Victor Leiva; Carlos Martin-Barreiro; christophe chesneau
Source: check_circle
Multidisciplinary Digital Publishing Institute

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

Mathematics
2022-01 | Journal article | Author
DOI: 10.3390/math10030299
Contributors: Lucas Natan Correia Couri; Raydonal Ospina; Geiza Cristina Silva; Victor Leiva; Jorge Figueroa-Zúñiga
Source: check_circle
Multidisciplinary Digital Publishing Institute

Learning Time Acceleration in Support Vector Regression: A Case Study in Educational Data Mining

Stats
2021-08 | Journal article | Author
DOI: 10.3390/stats4030041
Contributors: Jonatha Sousa Pimentel; Raydonal Ospina; Anderson Ara
Source: check_circle
Multidisciplinary Digital Publishing Institute

Modelling fatality curves of COVID-19 and the effectiveness of intervention strategies

PeerJ
2020 | Journal article
DOI: 10.7717/peerj.9421
EID:

2-s2.0-85088987479

Part of ISBN:

21678359
Contributors: Vasconcelos, G.L.; Macêdo, A.M.S.; Ospina, R.; Almeida, F.A.G.; Duarte-Filho, G.C.; Brum, A.A.; Souza, I.C.L.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Your face and moves seem happier when I smile: Facial action influences the perception of emotional faces and biological motion stimuli

Experimental Psychology
2020 | Journal article
DOI: 10.1027/1618-3169/a000470
EID:

2-s2.0-85086158864

Part of ISBN:

21905142 16183169
Contributors: Marmolejo-Ramos, F.; Murata, A.; Sasaki, K.; Yamada, Y.; Ikeda, A.; Hinojosa, J.A.; Watanabe, K.; Parzuchowski, M.; Tirado, C.; Ospina, R.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

A doubly restricted exponential dispersion model

Communications in Statistics - Theory and Methods
2019 | Journal article
DOI: 10.1080/03610926.2018.1473427
EID:

2-s2.0-85057539888

Part of ISBN:

1532415X 03610926
Contributors: Grajales, L.F.; Ospina, R.; López, L.A.; Melo, O.O.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Performance of Some Estimators of Relative Variability

Frontiers in Applied Mathematics and Statistics
2019 | Journal article
DOI: 10.3389/fams.2019.00043
EID:

2-s2.0-85077564754

Part of ISBN:

22974687
Contributors: Ospina, R.; Marmolejo-Ramos, F.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

The allocation of valenced percepts onto 3D space

Frontiers in Psychology
2019 | Journal article
DOI: 10.3389/fpsyg.2019.00352
EID:

2-s2.0-85064404024

Part of ISBN:

16641078
Contributors: Marmolejo-Ramos, F.; Arshamian, A.; Tirado, C.; Ospina, R.; Larsson, M.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Prediction by Empirical Similarity via Categorical Regressors

Machine Learning and Knowledge Extraction
2019-05 | Journal article | Author
DOI: 10.3390/make1020038
Contributors: Jeniffer Duarte Sanchez; Leandro Rego; Raydonal Ospina
Source: check_circle
Multidisciplinary Digital Publishing Institute

Model Selection Criteria on Beta Regression for Machine Learning

Machine Learning and Knowledge Extraction
2019-02 | Journal article | Author
DOI: 10.3390/make1010026
Contributors: Patrícia L. Espinheira; Luana C. Meireles da Silva; Alisson de Oliveira Silva; Raydonal Ospina
Source: check_circle
Multidisciplinary Digital Publishing Institute

Statistical Properties of an Unassisted Image Quality Index for SAR Imagery

Remote Sensing
2019-02 | Journal article | Author
DOI: 10.3390/rs11040385
Contributors: Luis Gomez; Raydonal Ospina; A.C. Frery
Source: check_circle
Multidisciplinary Digital Publishing Institute
grade
Preferred source (of 2)‎

Brazilian network of PhDs working with probability and statistics

Brazilian Journal of Probability and Statistics
2018 | Journal article
DOI: 10.1214/17-BJPS362
EID:

2-s2.0-85052209552

Part of ISBN:

01030752
Contributors: Digiampietri, L.; Rêgo, L.; de Souza, F.C.; Ospina, R.; Mena-Chalco, J.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Manipulating the alpha level cannot cure significance testing

Frontiers in Psychology
2018 | Journal article
DOI: 10.3389/fpsyg.2018.00699
EID:

2-s2.0-85047014418

Part of ISBN:

16641078
Contributors: Trafimow, D.; Amrhein, V.; Areshenkoff, C.N.; Barrera-Causil, C.J.; Beh, E.J.; Bilgiç, Y.K.; Bono, R.; Bradley, M.T.; Briggs, W.M.; Cepeda-Freyre, H.A. et al.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Three Strategies for the Critical Use of Statistical Methods in Psychological Research

Educational and Psychological Measurement
2017 | Journal article
DOI: 10.1177/0013164416668234
EID:

2-s2.0-85029468453

Part of ISBN:

15523888 00131644
Contributors: Campitelli, G.; Macbeth, G.; Ospina, R.; Marmolejo-Ramos, F.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Unassisted Quantitative Evaluation of Despeckling Filters

Remote Sensing
2017-04 | Journal article
DOI: 10.3390/rs9040389
Source: check_circle
Multidisciplinary Digital Publishing Institute
grade
Preferred source (of 2)‎

Classification and verification of handwritten signatures with time causal information theory quantifiers

PLoS ONE
2016 | Journal article
DOI: 10.1371/journal.pone.0166868
EID:

2-s2.0-84999791883

Part of ISBN:

19326203
Contributors: Rosso, O.A.; Ospina, R.; Frery, A.C.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Choosing the right strategy to model longitudinal count data in epidemiology: An application with CD4 cell counts

Epidemiology Biostatistics and Public Health
2015 | Journal article
DOI: 10.2427/11520
EID:

2-s2.0-84951299172

Part of ISBN:

22820930
Contributors: Trindade, D.B.; Ospina, R.; Amorim, L.D.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Finding structures in ratio images

International Geoscience and Remote Sensing Symposium (IGARSS)
2015 | Conference paper
DOI: 10.1109/IGARSS.2015.7325807
EID:

2-s2.0-84962599472
Contributors: Frery, A.C.; Ospina, R.; Deniz, L.G.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Interval edge estimation in SAR images

IEEE Transactions on Geoscience and Remote Sensing
2015 | Journal article
DOI: 10.1109/TGRS.2014.2329140
EID:

2-s2.0-84906327347

Part of ISBN:

01962892
Contributors: Dias, L.; Cribari-Neto, F.; Ospina, R.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

The replacement of payroll tax by a tax on revenues: A study of sectorial impacts on the Brazilian economy

EconomiA
2015 | Journal article
DOI: 10.1016/j.econ.2015.02.001
EID:

2-s2.0-85064204516

Part of ISBN:

23582820 15177580
Contributors: da Silva, W.B.; Paes, N.L.; Ospina, R.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

A substituição da contribuição patronal para o faturamento: Efeitos macroeconômicos, sobre a progressividade e distribuição de renda no Brasil

Revista Brasileira de Economia
2014 | Journal article
EID:

2-s2.0-84939176614

Part of ISBN:

00347140
Contributors: Da Silva, W.B.; Paes, N.L.; Ospina, R.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Goodness-of-fit tests for the birnbaum-saunders distribution with censored reliability data

IEEE Transactions on Reliability
2014 | Journal article
DOI: 10.1109/TR.2014.2313707
EID:

2-s2.0-84902075586

Part of ISBN:

00189529
Contributors: Barros, M.; Leiva, V.; Ospina, R.; Tsuyuguchi, A.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Visualization of skewed data: A tool in R,Visualización de datos sesgados: Una herramienta en R

Revista Colombiana de Estadistica
2014 | Journal article
DOI: 10.15446/rce.v37n2spe.47945
EID:

2-s2.0-84923224533

Part of ISBN:

01201751
Contributors: Ospina, R.; Larangeiras, A.M.; Frery, A.C.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

A general class of zero-or-one inflated beta regression models

Computational Statistics and Data Analysis
2012 | Journal article
DOI: 10.1016/j.csda.2011.10.005
EID:

2-s2.0-84857656687

Part of ISBN:

01679473
Contributors: Ospina, R.; Ferrari, S.L.P.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Erratum: Improved point and interval estimation for a beta regression model (Computational Statistics and Data Analysis (2006) 51 (960-981))

Computational Statistics and Data Analysis
2011 | Journal article
DOI: 10.1016/j.csda.2011.02.015
EID:

2-s2.0-79953659314

Part of ISBN:

01679473
Contributors: Ospina, R.; Cribari-Neto, F.; Vasconcellos, K.L.P.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Inflated beta distributions

Statistical Papers
2010 | Journal article
DOI: 10.1007/s00362-008-0125-4
EID:

2-s2.0-70350639541

Part of ISBN:

09325026
Contributors: Ospina, R.; Ferrari, S.L.P.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

New insights about host response to smallpox using microarray data

BMC Systems Biology
2007 | Journal article
DOI: 10.1186/1752-0509-1-38
EID:

2-s2.0-36348936588

Part of ISBN:

17520509
Contributors: Esteves, G.H.; Simoes, A.C.Q.; Souza, E.; Dias, R.A.; Ospina, R.; Venancio, T.M.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier

Improved point and interval estimation for a beta regression model

Computational Statistics and Data Analysis
2006 | Journal article
DOI: 10.1016/j.csda.2005.10.002
EID:

2-s2.0-33750982427

Part of ISBN:

01679473
Contributors: Ospina, R.; Cribari-Neto, F.; Vasconcellos, K.L.P.
Source: Self-asserted source
Raydonal Ospina via Scopus - Elsevier
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