Prof. Richard Simwa, PhD
Associate Professor
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| Name: | Prof. Richard Simwa, PhD |
|---|---|
| Mobile: | +254722771902 |
| E-mail: | rsimwa@daystar.ac.ke |
| Website: | None |
| Updated: | 24 Nov, 2025 |
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About
A scholar in Mathematics , specifically in the area of Statistics and Actuarial. I am a student alumni and lecturer of the University of Nairobi, with further working experience in several other universities, locally and internationally. I have supervised several students in undergraduate and postgraduate levels , for their Bsc , Msc and PhD degrees . This has led to publishing many papers in peer-reviewed international journals . I am currently an Associate Professor at the esteemed Christian faith based Daystar University.
Curriculum Vitae
Prof. Richard Simwa, PhD CV
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Recent Publications
Teaches
All Actuarial Science and Statistics Courses , as allocated by the Department of Science and Engineering. In addition I also teach other mathematics courses including Numerical Analysis and Basic Mathematics, among other foundational mathematics courses.
Relevant Links
Publications
Journals
On Statistical Analysis of Fraud Risk and Preventive Care as Determinants of Claim Severity in the Kenyan Retail Health Insurance
Published2025
Link: https://dx.doi.org/10.47772/IJRISS.2025.909000818
On Determination of the Relationship between Inflation and Real Savings in Kenya
Published2025
Link: https://dx.doi.org/10.47772/IJRISS.2025.909000726
Modelling of Risk Process With Expense-Augmented Loss Under Economic Factors and Its Application to Aggregated General Insurance Data in Kenya
Published2025
Link: https://doi.org/10.1155/ijmm/7811845
Bayesian Hierarchical Modeling Framework for Breast Cancer Treatment Outcome Prediction: Integrating Clinical, Pathological, And Treatment Variables
Published2025
Link: https://www.irejournals.com/paper-details/1709507
Comparative Performance Analysis of Bayesian Hierarchical Models Versus Classical Statistical Approaches in Predicting Breast Cancer Treatment Outcomes: Evidence from Kenyan Healthcare Settings
Published2025
Link: https://www.irejournals.com/formatedpaper/1709508
Two-sample Calibrated Imputation in Surveys: A Methodological Framework for Secondary Data Analysis. Asian Journal of Probability and Statistics
Published2025
Link: https://doi.org/10.9734/ajpas/2025/v27i10812
Bayesian Hierarchical Model for Medical Resource-Limited Settings: Prediction of Treatment Efficacy in Breast Cancer Patients in Kenya
Published2025
Link: https://www.cureus.com/articles/403841-development-of-a-bayesian-hierarchical-model-for-medical-resource-limited-settings-prediction-of-treatment-efficacy-in-breast-cancer-patients-in-kenya#!/
A comparison of two sample approaches to regression calibration for measurement error correction
Published2023
Link: https://www.mathsjournal.com/pdf/2023/vol8issue2/PartA/8-2-4-447.pdf
Two Sample Approaches to Regression Calibration for Measurement of Error Correction
Published2023
Link: https://www.sciencepublishinggroup.com/article/10.11648/j.ijsd.20230901.14
Evaluation of Time to Termination of Life Insurance Contracts with Benefits Calculations
Published2022
Link: https://www.ijsr.net/archive/v11i12/SR20625143517.pdf
European Option Pricing Under the Regime-Switching GARCH Model
Published2022
Link: https: //DOI.ORG/10.54379/FMAA-2022-1
Weibull Distribution as the Choice Model for State-Specific Failure Rates in HIV/AIDS Progression
Published2022
Link: https://www.hrpub.org/download/20220430/MS15-13426730.pdf
Bayesian Model Averaging in Modeling of State Specific Failure Rates in HIV/AIDS Progression
Published2022
Link: https://www.hrpub.org/download/20220630/MS9-13426731.pdf
On Derivation of the Semi-Parametric Weighted Likelihood Estimator SPW, and the Weighted Conditional Pseudo Likelihood Estimator , WPCE
Published2021
Link: https://www.google.com/search?q=About+http://www.pphmj.com/article.php?act%3Dart_download%26art_id%3D13991&tbm=ilp&sa=X&ved=2ahUKEwjF_qC5sKSIAxWwnycCHX2pLvMQv5AHegQIABAR
Comparison of the New Estimators: The Semi-Parametric Likelihood Estimator, SPW and the Conditional Weighted Pseudo Likelihood Estimator, WPCE
Published2021
Link: https://www.sciencepublishinggroup.com/article/10.11648/j.ajtas.20211004.14
Modelling Stock Returns and Trading Volume in Regime Switching World
Published2020
Link: https://www.google.com/search?q=Modelling+Stock+Returns+and+Trading+Volume+in+Regime+Switching+World.+Financial+Mathematics+and+Applications&rlz=1C1BNSD_enKE1095KE1095&oq=Modelling+Stock+Returns+and+Trading+Volume+in+Regime+Switching+World.+Financial+Mathematics+and+Applications&gs_lcrp=EgZjaHJvbWUyBggAEEUYOdIBCDE1NjdqMGo3qAIAsAIA&sourceid=chrome&ie=UTF-8
Approximation of ruin probabilities under Financial Constraints
Published2020
Link: https://www.m-hikari.com/ams/ams-2020/ams-5-8-2020/p/odiwuorAMS5-8-2020.pdf
On Stock Return Volatility and Trading Volume of Nairobi Security Exchange
Published2020
Link: https://www.tandfonline.com/doi/full/10.1080/27658449.2021.1889765
On the Variation of the Probability Distribution of Future Life-Time: a case of Kenyan Mortality Experience
Published2018
Link: https://medcraveonline.com/BBIJ/on-the-variation-of-the-probability-distribution-of-the-future-lifendashtime-a-case-of-the-kenyan-mortality-experience.html
On Unemployment Insurance Assuming Non-Zero Mortality with Application to USA Economy
Published2018
Link: https://eajournals.org/ejsp/vol-6-issue-2-may-2018/on-pricing-of-unemployment-insurance-assuming-non-zero-mortality-for-employees-with-application-to-the-usa-economy/
On Local Linear Regression Estimation of Finite Population Totals in Model Based Surveys
Published2018
Link: https://www.sciencepublishinggroup.com/article/10.11648/j.ajtas.20180703.11
A Mathematical Model for the Transmission of Endemic Malaria under Periodically varying Climatic Conditions
Published2017
Link: https://ikprress.org/index.php/AJOMCOR/article/view/833
On Derivation of the Probability of Infection in the Presence of Treatment. Science Journal of Applied Mathematics and Statistics
Published2017
Link: https://doi.org/10.11648/j.sjams.20170505.11
On Local Linear Regression Estimation in Sampling Surveys
Published2017
Link: https://www.researchgate.net/publication/320568493_ON_LOCAL_LINEAR_REGRESSION_ESTIMATION_IN_SAMPLING_SURVEYS
Modelling the Effects of Periodic Temperature on Malaria Transmission Dynamics
Published2016
Link: https://www.researchgate.net/publication/305913148_Modeling_the_effect_of_periodic_temperature_on_malaria_transmission_dynamics
Application of Burr XII Mixture Distributtios to Model Unemployment Duration in Pricing Unemployment Duration Assuming USA Data
Published2016
Link: https://www.sciencepublishinggroup.com/article/10.11648/j.ijsd.20160203.11
Model for HIV infection and Data Base. Jour of International Research in Med. and Pharmaceutical Sciences
Published2015
Link: https://www.researchgate.net/publication/333220737_Model_for_HIV_infection_and_database
Mathematical Modeling of HIV Infection
Published2013
Link: https://www.academia.edu/65112182/Mathematical_Modelling_Of_Hiv_Infection
Mathematical model for Detecting Diabetes in the Blood
Published2011
Link: https://m-hikari.com/ams/ams-2011/ams-5-8-2011/kwachAMS5-8-2011.pdf
A Model for the CD4 Cell Counts in an HIV/AIDS Patient and its Application in Treatment Interventions
Published2005
Link: https://scidoc.thescipub.com/abstract/ajidsp.2005.61.65
The Performance of Step-Wise Group-Screening Designs
Published2005
Link: https://journals.squ.edu.om/index.php/squjs/article/view/335
A Model of HIV Infection and its Application
Published2004
Link: http://www.ijma.info/index.php/ijma/article/view/2531
A dynamical model for stage-specific HIV incidences with Application to sub-Saharan Africa
Published2003
Link: https://dl.acm.org/doi/10.1016/S0096-3003%2802%2900528-3
Activities
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Research Interests
My research interest is mainly in Statistics , Actuarial Science and Mathematical Modeling. Statistics areas of interest include Stochastic Modeling of Disease epidemics ( eg HIV/AIDS), Sample Surveys and Estimation ( Derivation of new estimators ), Financial Time Series Modeling ( eg generalization of the GARCH model). Mathematical modeling includes research on the dynamical models for disease epidemics ( eg TB and Malaria ) and modeling Diabetes. Current research interest in Actuarial Science is on the determination ruin probabilities in the reformulated classical risk mode for solvency consideration of an insurance business. Both loss and Claims models are considered to be stochastic .