Prof. Richard Simwa, PhD Profile

Associate Professor

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Prof. Richard Simwa, PhD

Associate Professor

Daystar University

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Name: Prof. Richard Simwa, PhD
Mobile: +254722771902
E-mail: rsimwa@daystar.ac.ke
Website: None
Updated: 16 Sep, 2024
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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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Academic Qualification

PhD ( Applied Statistics ), Makerere-Tuebingen University , 1998
Msc ( Mathematical Statistics ), University of Nairobi, 1989
PG Dip ( Actuarial Science ), City University, UK, 1991
 Bsc  ( Double Mathematics ), University of Nairobi, 1987
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.

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Publications
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Journals

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.researchgate.net/publication/362024499_MODELING_STOCK_RETURNS_AND_TRADING_VOLUME_IN_REGIME_SWITCHING_WORLD

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

Modelling of Volatility of Interest Rates and Treasury Bill Rates using ARCH/GARCH family Models and their Effect on Pension Fund
Published2017
Link: https://www.academia.edu/30611952/MODELING_OF_VOLATILITY_OF_INTEREST_AND_TREASURY_BILL_RATES_USING_ARCH_GARCH_FAMILY_MODELS_AND_THEIR_EFFECT_ON_PENSION_FUND

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

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 .

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