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Dr Ronald Waliaula Wanyonyi

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Staff Information
PERSONAL DETAILS
Designation
SENIOR LECTURER
Corporate Email
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Personal Email
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Job Category
Teaching
Phone Number
+254722336559
Division / Faculty
Faculty of Science
Directorate / Dept
DEPT. OF MATHEMATICS
Section
EU Njoro
Address
Mau (Neema) Estate, Njoro - Mau Narok road
SUMMARY

Dr. Ronald Waliaula Wanyonyi is a dedicated University Lecturer with over 20 years of experience in teaching, supervising and research in the area of statistics. He is knowledgeable and experienced Lecturer and  looking to obtain a position in which to impact students and improve the college experience.

ACADEMIC QUALIFICATIONS

2011 - 2015: PhD in Statistics, Masinde Muliro University of Science and Technology.

Title of Thesis 鈥淓stimation of a Proportion of a Trait by Batch Testing Model in Quality Control Process鈥�

1995 鈥� 1997: Master of Science (Statistics); University of Nairobi.

Title of Project 鈥淢atrix Population Modelling with Application to Sheep 贵补谤尘颈苍驳鈥�

1990 鈥� 1994: Bachelor of Science (Mathematics); Second Class Honors (Upper    Division), University of Nairobi

1988 鈥� 1989: Friends鈥� School Kamusinga; KACE (Mathematics, Physics and Chemistry)

1984 鈥� 1987: Musingu High School; KCE (Second Division, 24 points)

1977 鈥� 1983: Kimabole Primary School; CPE (24 Points)

FIELDS OF SPECIALIZATION
  • Statistical Modelling, Group Testing, Time Series and Survival Analysis
PROFESSIONAL QUALIFICATIONS
  1. Trained as a Statistician up to Doctorate level
  2. Engaged in various universities in Teaching
  3. Involved in student mentorship and supervision at all university academic levels
  4. Acquired skills and comptences through short courses in  E-learning, Curriculum Development and Writing Distance Learning Materials
WORK EXPERIENCE

WORK EXPERIENCE

1998 鈥� 2000: Part Time Lecturer, Eldoret Polytechnic

2000 鈥� 2002: Assistant Lecturer, Department of Mathematics and Computer Science, Kenya Methodist University

2002 鈥� 2013: Lecturer, Kenya Methodist University

2013 鈥� 2021: Lecturer, Department of Mathematics, Egerton University

2021 - To date: Senior Lecturer, Department of Mathematics, Egerton University

 

ADMINISTRATIVE AND LEADERSHIP RESPONSIBILITIES

September 2001 - February 2002:   Acting Head of Department of Mathematics and Computer Science, Kenya Methodist University

November 2003: Appointed a member to the Revision of Academic Handbook Committee,Kenya Methodist  University

September 2004 鈥� January 2005:    Acting Head of Department of Mathematics and Computer Science, Kenya Methodist University

October 2005: Appointed a member to the Senate Ad Hoc Committee on the Introduction and Implementation of Trimester System, Kenya Methodist University

September 2006 鈥� July 2008: Head of Department, Computer Information Systems,Kenya Methodist University

January 2012-September 2013: Head of Department, Computer Science (KeMU, Nairobi Campus)

September 2014-September 2019: Examination Officer, Department of Mathematics, Egerton University 

April 2019-May 2019: Acting Head of Department of Mathematics, Egerton University

September 2019-To date: Chairman of Department of Mathematics Postgraduate Committee and Member of the Faculty of Science

Postgraduate Committee, Egerton University

KEY PROJECTS
  1. Strengthening Impact-Orientation in Kenya Agricultural Research Institute (KARI) and National Agricultural Research Organization (NARO): Case of Horticulture Sub-Sector. Collaborative Project between KARI, NARO and KeMU. 2005, US$ 24,445 (KeMU representative)
  2. HIV/AIDS Hotspots and evaluation of community activities for prevention, care and treatment. AIDS, Population and Health Integrated Assistance (APHIA II) project, January 鈥� September 2009, US$ 90,000 (Biometrician)
  3. Research Grant from KeMU: Assessment of e-readiness of secondary schools in Meru District, Eastern Kenya, June 2011, Ksh 700,000
RESEARCH INTERESTS
  • Group Testing: There is need to develop efficient models and study the properties of the estimators of proportion of rare traits.
  • Time series: Determine the most accurate model to be used in forecasting in various sectors such Finance and Meteorology.
  • Survival Analysis: Explore survisorship and hazard functions of time to event data that occur in different fields.
LIST OF PUBLICATIONS
  1. Luhahi,Y. and Ronald W. Wanyonyi: Assessment of Awareness and Knowledge about Voluntary Counseling and Testing among the Youth in Meru Central District; Kenya Nursing Journal, Vol. 33(2), 2005, 9 鈥� 12.
  2. Kennedy L. Nyongesa and Ronald W. Wanyonyi: Estimation the Rate of Defectiveness by Group-Testing in the Presence of Test Errors. International Journal of Statistical Sciences, Vol. 12, 2012, 1-8
  3. Ronald W. Wanyonyi, Kennedy L. Nyongesa, Adu Wasike: Estimation of Proportion of a Trait by Batch Testing Model in a Quality Control Process. American Journal of Theoretical and Applied Statistics. Vol. 4(6), 2015, 619-629.
  4. Ronald W. Wanyonyi, Kennedy L. Nyongesa, Adu Wasike: Estimation of Proportion of a Trait by Batch Testing with Errors in Inspection in a Quality Control Process. International Journal of Statistics and Applications, Vol. 5(6), 2015: 268-278
  5. Ann Wambui Maina, Ronald W. Wanyonyi, Tinega Richard: Time Series Modelling of Rainfall Patterns in Nakuru, Kenya. International Journal of Social Science and Technology, Vol. 4(3), 2019: 1-18
  6. Oduori Victor, Okoth Annette W. and Ronald W. Wanyonyi: Three-Stage Adaptive Batch Testing Model for Estimating Prevalence of a Trait without Truncation. IOSR Journal of Mathematics, 15(5), 2019: pp. 19-27
  7. Ratip Alfred O., Okoth Annette W. and Ronald W. Wanyonyi: Generalised Regression Neural Network Model for Maize Production in Trans Nzoia County. Journal of Mathematics Trends and Technology, Vol. 65 (10), 2019: 54-60
  8. Murithi, I. , Okenye, J. , Islam, A. and Wanyonyi, R. Bayesian Estimation of the Shape Parameters of Mcdonald Generalized Beta-Binomial Distribution. Open Access Library Journal, Vol. 7, 2020: 1-14.
  9. Wanyonyi, R.W., Mwangi, O.W. and Mwangi, C.W. Re-Testing in Batch Testing Model Based on Quality Control Process for Proportion Estimation. Open Journal of Statistics, Vol. 11, 2021: 123-136.

  10. Open and Distance Learning materials for the following courses offered at Kenya Methodist University; Biostatistics, Descriptive Statistics, Inferential Statistics and Research Methodology.

  11. E-LEARNING MATERIALS (EGERTON UNIVERSITY): Completed learning materials; Risk Mathematics, Stochastic Processes (Undergraduate), Probability and Stochastic Processes (Postgraduate), Stochastic Processes for Actuarial Science, Time Series Analysis (Undergraduate) and Time Series Analysis (Postgraduate). Under preparation learning materials; Non-parametric methods, Survival models and analysis, Risk theory for actuarial science and Probability theory and stochastic processes (Ph.D course).

CONFERENCES & INVITED PRESENTATIONS
  1. Kenya Education Network (KENET) e-learning Training. 6th-8th August 2002
  2. African Health Sciences Congress: 4th 鈥� 8th October 2004
  3. Kenya Methodist University Workshop on Curriculum Development and Writing Distance Learning Materials: 2nd 鈥� 4th August 2007
  4. Stakeholders workshop on the Science, Technology and Innovation Exchange Framework draft document organized by the Ministry of Education, Science Technology: 8th 鈥� 9th June, 2009
  5. The First Strathmore University Mathematics Conference: 18th 鈥� 21st August 2011
  6. The First Kenya Methodist University Research Conference : 7th 鈥� 9th August 2012
  7. Curriculum Development Workshop for Trainers. 28th 鈥� 29th May 2013
HONORS, PRIZE AND AWARDS
  1. Strengthening Impact-Orientation in Kenya Agricultural Research Institute (KARI) and National Agricultural Research Organization (NARO): Case of Horticulture Sub-Sector. Collaborative Project between KARI, NARO and KeMU. 2005, US$ 24,445 (KeMU representative)
  2. HIV/AIDS Hotspots and evaluation of community activities for prevention, care and treatment. AIDS, Population and Health Integrated Assistance (APHIA II) project, January 鈥� September 2009, US$ 90,000 (Biometrician)
  3. Research Grant from KeMU: Assessment of e-readiness of secondary schools in Meru District, Eastern Kenya, June 2011, Ksh 700,000
  4. D Research Grant from National Commission of Science, Technology and Innovations (NACOSTI), November 2011, Ksh 850,000
TEACHING AREAS

Undergraduates

  • Mathematical Statistics,
  • Stochastic Modelling,
  • Time Series Analysis,
  • Survival Analysis,
  • Multivariate Analysis.

Postgraduates

  • Probability Theory,
  • Stochastic Modelling,
  • Time Series Analysis,
  • Survival Analysis.
POSTGRADUATE SUPERVISION
MASTERS LEVEL :
  • Internal Examiner for: Charles Wambugu Mwangi (2014), Janiffer Mwende Nthiwa (2015), Timothy Ndonye Mutunga (2015), Albert Orwa Akuno (2015), Lawrence Areba Bichanga (2016), Olivia Wanjeri Mwangi (2016), Nickson Cheruiyot (2018) and Paul Kinyanjui (2021).
  • Syaywa, John Paul (2009). Group testing using block testing strategy in the presence of test errors.
  • Oduori Victor (2021). Three-Stage Adaptive Batch Testing Model for Estimating Prevalence of a Trait without Truncation.
  • Ratip Alfred Okoth (2021). A Generalized Regression Neural Network Model for Maize Yield prediction in Trans Nzoia County.
  • Ann Wambui Maina. Time Series Modelling of Rainfall Patterns in Nakuru, Kenya. (Completed but yet to graduate)
  • Purity Murugi Kinyua. Linear and Non-Linear Time Series Modelling and Forecasting of Rainfall for Njoro Sub-County. (Ongoing research)
  • Immaculate Murithi. Bayesian Estimation of Parameters for the McDonald Generalized Beta-Binomial Distribution. (Submitted for examination)
  • Kariuki Francis Mwangi. Estimation of Prevalence using Negative Binomial Group Testing with Retesting. (Proposal defended at the Faculty)
  • Erick Odira Ogola. Bayesian Self-exciting Threshold Autoregressive Modelling of the Kenya Shilling Exchange Rate Nonlinearities. (Proposal defended at the Department)
PhD. LEVEL :
  • George M. Matiri: Sequentially Selecting between Two and Three Experiments for Optimal Estimation of a Trait with Misclassifications. Internal Examiner, 2017
  • Annette W. Okoth. Multi-Stage Adaptive Pool Testing Model for Estimating Prevalence of a Trait in the presence of Test Errors. External Examiner for MMUST, 2018
  • Lawrence Bichange Areba. Bayesian Modelling of Temporal symptoms of Cholera in Prison inmates population with application to Prison data in Kenya. (Ph.D Research ongoing). Supervisor
  • Siele Dickson Cheruiyot. The Extensions of Kumarawasmy Weibull Pareto Mixture Distribution. (Ph.D Research ongoing). Supervisor
  • Drinold Aluda Mbete. Bayesian Modelling of Malaria Symptoms in a Student Population with Application. External Examiner for MMUST, 2021.
OTHER SOCIETIES
  • Kenya National Statistical Society (Membership Number KNSS 00077)
  • International Biometric Society (In the process of registration)
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