Raydonal Ospina - Publications, H-index & Citations

Raydonal Ospina

universidade federal da bahia

17H指数

136论文数

1.7K被引数

收录论文 16

发表时间

Eigenvalue distribution of empirical correlation matrices for multiscale complex systems and application to financial data 经验相关矩阵特征值分布的多尺度复杂系统及其在金融数据中的应用

PHYSICAL REVIEW E

IF2.4

2025-11-26

PREAI

de Moraes, Luan M. T.; Macedo, Antonio M. S.; Vasconcelos, Giovani L.; Ospina, Raydonal

Integration by parts and Bismut-Elworthy-Li-type formula on the Heisenberg Lie group using the hypoelliptic measure 利用拟椭圆测度在Heisenberg李群上的分部积分和Bismut-Elworthy-Li型公式

PHYSICA SCRIPTA

IF2.6

2025-05-16

PREAI

Albuquerque, Roberta R.; Macedo, Antonio M. S.; Ospina, Raydonal

A study of asset and liability management applied to Brazilian pension funds 巴西养老基金资产负债管理研究

EUROPEAN JOURNAL OF OPERATIONAL RESEARCH

IF6

2025-05-01

PREAI

Bernardino, Wilton; Falcao, Rodrigo; Joao, Jr.; Ospina, Raydonal; De Souza, Filipe Costa; Correia, Jose Jonas Alves

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

BIOMEDICINES

IF3.9

2023-09-22

OAAI

Ospina, Raydonal; Ferreira, Adenice G. O.; de Oliveira, Helio M.; Leiva, Victor; Castro, Cecilia

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

FRACTAL AND FRACTIONAL

IF3.3

2023-09-04

OAAI

de Oliveira, Jose Sergio Case; Ospina, Raydonal; Leiva, Victor; Figueroa-Zuniga, Jorge; Castro, Cecilia

Understanding the land use intensity of residential buildings in Brazil: An ensemble machine learning approach

HABITAT INTERNATIONAL

IF7

2023-09-01

OAAI

Belmiro, Celio; Neto, Raul da Mota Silveira; Barros, Andrews; Ospina, Raydonal

BIOLOGY-BASEL

IF3.5

2023-07-04

OAAI

Sanchez, Jeniffer D.; Rego, Leandro C.; Ospina, Raydonal; Leiva, Victor; Chesneau, Christophe; Castro, Cecilia

ModInterv COVID-19: An online platform to monitor the evolution of epidemic curves

APPLIED SOFT COMPUTING

IF6.6

2023-04-01

OAAI

Brum, Arthur A.; Vasconcelos, Giovani L.; Duarte-Filho, Gerson C.; Ospina, Raydonal; Almeida, Francisco A. G.; Macedo, Antonio M. S.

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

BIOLOGY-BASEL

IF3.5

2023-03-13

OAAI

Cavalcante, Thalytta; Ospina, Raydonal; Leiva, Victor; Cabezas, Xavier; Martin-Barreiro, Carlos

Multiple waves of COVID-19: a pathway model approach

NONLINEAR DYNAMICS

IF6

2022-12-23

OAAI

Vasconcelos, Giovani L.; Pessoa, Nathan L.; Silva, Natan B.; Macedo, Antonio M. S.; Brum, Arthur A.; Ospina, Raydonal; Tirnakli, Ugur

Random graph generator for leader and community detection in networks

INTERNATIONAL TRANSACTIONS IN OPERATIONAL RESEARCH

IF2.9

2022-11-06

PREAI

Matos-Junior, Francisco J.; Ospina, Raydonal; Silva, Geiza

Distributional regression modeling via generalized additive models for location, scale, and shape: An overview through a data set from learning analytics

WILEY INTERDISCIPLINARY REVIEWS-DATA MINING AND KNOWLEDGE DISCOVERY

IF11.7

2022-10-21

OAAI

Marmolejo-Ramos, Fernando; Tejo, Mauricio; Brabec, Marek; Kuzilek, Jakub; Joksimovic, Srecko; Kovanovic, Vitomir; Gonzalez, Jorge; Kneib, Thomas; Buehlmann, Peter; Kook, Lucas; Briseno-Sanchez, Guillermo; Ospina, Raydonal

Power law behaviour in the saturation regime of fatality curves of the COVID-19 pandemic

SCIENTIFIC REPORTS

IF3.9

2021-02-25

OAAI

Vasconcelos, Giovani L.; Macedo, Antonio M. S.; Duarte-Filho, Gerson C.; Brum, Arthur A.; Ospina, Raydonal; Almeida, Francisco A. G.

Risk curves: A methodology to evaluate the risk of fraud by stock price manipulation based on game theory and detection software

small business economics

IF3.4

2021-01-01

PREAI

Bernardino, Wilton; Ospina, Raydonal; de Souza, Filipe Costa; Rego, Leandro; Pereira, Felipe

Interval Edge Estimation in SAR Images

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING

IF8.6

2015-02-01

OAAI

Dias, Laercio; Cribari-Neto, Francisco; Ospina, Raydonal

Goodness-of-Fit Tests for the Birnbaum-Saunders Distribution With Censored Reliability Data

IEEE TRANSACTIONS ON RELIABILITY

IF5.7

2014-06-01

PREAI

Barros, Michelli; Leiva, Victor; Ospina, Raydonal; Tsuyuguchi, Aline

研究方向