Oscar Ngesa

University of Nairobi — KE

Mathematics · Physical Sciences

12h-index565citations65works0.82yr avg
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Research Topics

Statistical Distribution Estimation and Applications(19), Statistical Methods and Bayesian Inference(16), Statistical Methods and Inference(12), Child Nutrition and Water Access(7), Probabilistic and Robust Engineering Design(6)

Publications65 total

A Bayesian framework for enhancing health data accuracy in pooled cross-sectional analysis
Healthcare Analytics·2026Open Access
Modeling the Impact of Socioeconomic Determinants on Childhood Malnutrition: A Hierarchical Bayesian Approach with Measurement Error Adjustment
Applied and Computational Mathematics·2026Open Access
Factors Influencing Time to First Sexual Intercourse among Youths: Evidence from the 2022 Kenya Demographic and Health Survey Data
International Journal of Research and Innovation in Social Science·2026Open Access
Modeling the Impact of Socioeconomic Determinants on Childhood Malnutrition: A Hierarchical Bayesian Approach with Measurement Error Adjustment
2025Open Access
Spatio-temporal Modelling of Crime and Violence Trends in Mombasa County, Kenya
Archives of Current Research International·2025Open Access
Properties, estimation, and applications of the extended log-logistic distribution
Scientific Reports·2024· 5 citedOpen Access
The accelerated failure time regression model under the extended-exponential distribution with survival analysis
AIMS Mathematics·2024Open Access
Spatio-Temporal Agricultural Drought Quantification in a Rainfed Agriculture, Athi-Galana-Sabaki River Basin
Journal of Geographic Information System·2024· 1 citedOpen Access
The Extended Exponential-Weibull Accelerated Failure Time Model with Application to Sudan COVID-19 Data
Mathematics·2023· 8 citedOpen Access
Extended Exponential-Weibull Mixture Cure Model for the Analysis of Cancer Clinical Trials
Springer proceedings in mathematics & statistics·2023· 1 cited
Flexible Parametric Accelerated Hazard Model: Simulation and Application to Censored Lifetime Data with Crossing Survival Curves
Mathematical and Computational Applications·2022· 9 citedOpen Access
Bayesian joint spatial modelling of anemia and malaria in Guinea
AIMS Mathematics·2022· 1 citedOpen Access
Amoud Class for Hazard-Based and Odds-Based Regression Models: Application to Oncology Studies
Axioms·2022· 10 citedOpen Access
Bayesian and Frequentist Approaches for a Tractable Parametric General Class of Hazard-Based Regression Models: An Application to Oncology Data
Mathematics·2022· 9 citedOpen Access
AmoudSurv: Tractable Parametric Odds-Based Regression Models
2022Open Access
A Bayesian Bivariate Model for Spatially Correlated Binary Outcomes
Mathematical Problems in Engineering·2022Open Access
A Flexible Bayesian Parametric Proportional Hazard Model: Simulation and Applications to Right-Censored Healthcare Data
Journal of Healthcare Engineering·2022· 17 citedOpen Access
A Comparative Study of Bayesian Stochastic Search Variable Selection Approach in Multiple Linear Regression
International Journal of Mathematics Trends and Technology·2022· 1 cited
Bayesian and frequentist approach for the generalized log-logistic accelerated failure time model with applications to larynx-cancer patients
Alexandria Engineering Journal·2022· 14 citedOpen Access
Enhancing resilience in fragile context: evidence from a randomized experiment in South Sudan
SSRN Electronic Journal·2022Open Access
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Frequent Co-authors

Henry Mwambi(9), Samuel Mwalili(9), Abdisalam Hassan Muse(8), Suleman Nasiru(6), Peter N. Mwita(6), George Otieno Orwa(4), Christophe Chesneau(4), Ahmed Z. Afify(4), Thomas Achia(3), Huda M. Alshanbari(3), Adam Braima S. Mastor(3), Joseph Mung’atu(3), Thierno Barry(3), Nelson Owuor Onyango(3), Elphas Okango(2), Abd Al-Aziz Hosni El-Bagoury(2), Josua Mwanyekange(2), Anthony Wanjoya(2), Sebastian Grey(2), Deborah Duveskog(2)