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Samson W. Wanyonyi

Publications (16)

Ecological Niche Modeling and Spatial Analysis of Snakebite Risk in Baringo County, Kenya: An Evidence-based Approach

Samson W. Wanyonyi, Kenneth K. Chepsergon & Julius Koech · Asian Journal of Geological Research · 2026

Introduction: Snakebite envenoming is a significant community health issue in Kenya, and Baringo County has the highest rates of the problem. The current study employs ecological niche modeling and spatial analysis to identify areas of high risk and environmental determinants of...

Open access Research Article 10.9734/ajoger/2026/v9i2242

Modeling the Yield of Glycine max (L.) Merrill Using Mixture Process Variable Model within an Optimal Split-Plot Design

Samson W. Wanyonyi & Julius K. Koech · Journal of Scientific Research and Reports · 2023

A mixture design has become famous in statistical modeling in a mixture process variable experiment owing to its usefulness in modeling the blending surface that predicts the response of any mixture empirical. The mixture blends included manure from cows, chickens, goats, and she...

Open access Research Article 10.9734/jsrr/2023/v29i111805

Exploration of D-, A-, I- and G- Optimality Criteria in Mixture Modeling

Samson W. Wanyonyi, Ayubu A. Okango & Julius K. Koech · Asian Journal of Probability and Statistics · 2021

A design optimality criterion, such as D-, A-, I-, and G- optimality criteria, is often used to analyze, evaluate and compare different designs options in mixture modeling test. A mixture test is an experiment where the descriptive variable and response rely only on the mixture's...

Open access Research Article 10.9734/ajpas/2021/v12i430292

Optimization of Split-Plot Design in the Context of Mixture Process Variable Settings

Samson W. Wanyonyi, Ayubu A. Okango, Julius K. Koech & Betty C. Korir · Asian Journal of Probability and Statistics · 2021

In the presence of process variables, a mixture design has become well-known in statistical modeling due to its utility in modeling the blending surface, which empirically predicts any mixture's response and serves as the foundation for optimizing the expected response blends of...

Open access Research Article 10.9734/ajpas/2021/v12i330285

Attempt to Model Tuberculosis with the Effects of Both Treatment and Case Detection

Samson W. Wanyonyi, Wafula Mike Erick, John M. Hunja & Collins Ochieng Onyaga · Asian Research Journal of Mathematics · 2019

Tuberculosis (TB) is an infectious disease that usually affect the lungs. It is caused by bacteria and spread through the air. Due to the high rate of spread and later leads to death due to TB, this led to formulation of a model in order to enlighten the public and health departm...

Open access Research Article 10.9734/ARJOM/2019/45821

Computational Generalization of Mixed Models on Large-Scale Data with Applications to Genetic Studies

Samson W. Wanyonyi, Drinold A. Mbete & Emile R. Chimusa · Asian Journal of Probability and Statistics · 2018

Aims: To discuss different LMM-based approaches applied in GWAS and software packages implementation and Classify different computational tools that applies LMM approaches according to their applicability and performance. To identify possible SNPs associated to a particular disea...

Open access Research Article 10.9734/ajpas/2018/v1i424550

Predictive Modeling of Digital Credit Risk in Commercial Banks Using Machine Learning Algorithms

Isaiah N. Barasa & Samson W. Wanyonyi · Asian Journal of Advanced Research and Reports · 2026

Normally, financial institutions issue loans to customers aiming to recover the repayments within the scheduled time. However  defaults, common with digital credit, cause them significant financial risks. Advancement in technology has created digital loan products. Unfortunately,...

Open access Research Article 10.9734/ajarr/2026/v20i31305

Modeling and Forecasting of Rainfall Trends based on Historical Data in Bungoma County, Western Kenya using Holt Winters Method

Vanessa A. Otieno & Samson W. Wanyonyi · Asian Journal of Probability and Statistics · 2022

Rainfall is termed as a meteorological phenomenon which is very useful for daily human activities. Most of the population depend on it for domestic purpose and agriculture, hence it is vital for farmers to know rainfall trends and patterns prevailing in their locality. In Kenya,...

Open access Research Article 10.9734/ajpas/2022/v17i430431

Analysis and Modelling of Extreme Rainfall: A Case Study for Dodoma, Tanzania

Emmanuel Iyamuremye, Samson W. Wanyonyi & Drinold A. Mbete · Asian Journal of Probability and Statistics · 2019

The analysis of climate change, climate variability and their extremes has become more important as they clearly affect the human society and ecology. The impact of climate change is reflected by the change of frequency, duration and intensity of climate extreme events in the env...

Open access Research Article 10.9734/ajpas/2019/v3i230086

Central Limit Theorem and Its Applications in Determining Shoe Sizes of University Students

Mbuba Morris Mwiti, Samson W. Wanyonyi & Davis Mwenda Marangu · Asian Journal of Probability and Statistics · 2019

The Central limit theorem is a very powerful tool in statistical inference and Mathematics in general, since it has numerous applications such as in topology and many other areas. For the case of probability theory, it states that, “given certain conditions, the sample mean of a...

Open access Research Article 10.9734/ajpas/2019/v3i130082

Determinants and Management of Patient Waiting Time in the General Outpatient Department in Kibabii University Health Clinic, Kenya

Sevu Muen, Samson W. Wanyonyi, Davis Mwenda Marangu & Obare D. Mong’are · Asian Journal of Probability and Statistics · 2019

The purpose of this paper is to determine the time that a patient can spend waiting for service in Kibabii University Healthcare Clinic in Bungoma County (Kenya). The main objective was to provide necessary information to service facility managers, stakeholders, hospital staffs a...

Open access Research Article 10.9734/ajpas/2018/v2i428794

Analysis of Household Electricity Consumption in Nonresident Rent Halls Using Linear Regression Analysis Model

Omondi S. Odhiambo, Samson W. Wanyonyi, Davis Mwenda Marangu, Irine Jemutai Nguli & Mbuba Morris Mwiti · Asian Journal of Probability and Statistics · 2019

This paper is based on electricity consumption pattern in rental houses around Kibabii University (KU) situated in Western region of Kenya. Because of unexpected blackout faced by nonresident students at the time they need electricity most for their studies, this work intends to...

Open access Research Article 10.9734/ajpas/2018/v2i328789

Assessing the Potential of Using Satellite Data on Radiation in the Analysis of Earth’s Climate System to Complement the Scarce Radiation Data Measured from the Ground Stations

Collins Ochieng Onyaga, Samson W. Wanyonyi & Roger Stern · Asian Journal of Probability and Statistics · 2018

High quality solar radiation data is required for the appropriate monitoring and analysis of the Earth’s climate system as well as efficient planning and operation of solar energy systems. However, well maintained radiation measurements are rare in many regions of the world. Ther...

Open access Research Article 10.9734/ajpas/2018/v2i228768

Establishing the Rainfall Trend over Bungoma Region in Kenya, During the Short and Long Rain Seasons

Davis Mwenda Marangu & Samson W. Wanyonyi · Asian Journal of Probability and Statistics · 2018

This paper is aimed at presenting the temporal and spatial variability of rainfall over Bungoma region between 2000 and 2015. Rainfall data was obtained for 5 stations in the region. The data was subjected to analyses by use of Microsoft Excel and SPSS. The results from analysis...

Open access Research Article 10.9734/ajpas/2018/v1i424554

Survival-Based Modelling of Digital Credit Risk in Commercial Banks

Isaiah N. Barasa, M. M. Kololi & Samson W. Wanyonyi · Asian Journal of Advanced Research and Reports · 2026

The advent of digital credit has made much-needed funds available to a population traditionally regarded as “unbankable”. Both the use of, and demand for, these loans have increased over the past three years and continue to grow. Digital loans are characterised by distinctive fea...

Open access Research Article 10.9734/ajarr/2026/v20i101462

The Impact of COVID-19 Pandemic on the Performance of the Floriculture Sector in Kenya: A Case Study of Karen Roses, Ravine Branch, Baringo County (2016-2021)

Siginon Belinda Jemutai, Bartirum Winnie Jematia, Samson W. Wanyonyi & Joseph Mutiso Kimuyu · Asian Journal of Advanced Research and Reports · 2024

This study examined the impact of COVID-19 pandemic on the performance of the floriculture sector in Kenya with a specific reference and focus on Karen Roses from the year 2016 to 2021.The floriculture industry is one of the largest sectors that helps in the contribution of the K...

Open access Research Article 10.9734/ajarr/2024/v18i2609