Stephen Olusegun Are

Addressing Multicollinearity in Economic Forecasting: A Comparative Study of Ridge and Bayesian Regression Models

Stephen Olusegun Are & Temitope Alakija · South Asian Journal of Social Studies and Economics · 2025

Multicollinearity poses a significant challenge in econometric modelling, particularly when analysing economic indicators that are inherently interrelated. This study investigated the efficacy of Ridge Regression (RR) and Bayesian Regression (BR) as alternatives to Ordinary Least...

Open access Research Article 10.9734/sajsse/2025/v22i111212

COVID-19 Pandemic Data Visualization with Moment about Midpoint: Exploratory and Expository Analyses

Stephen Olusegun Are & Matthew Iwada Ekum · Asian Journal of Probability and Statistics · 2020

Aims: To visualize COVID-19 data using Exploratory Data Analysis (EDA) to tell the COVID-19 story expository. Study Design: The study uses EDA approach to visualize the COVID-19 data. The study uses secondary data collected from World Health Organization (WHO) in a panel form and...

Open access Research Article 10.9734/ajpas/2020/v8i430212

Design of Generalized Gamma X̄ and s Control Charts for Monitoring Industrial Process

Olubisi Lawrence Aako & Stephen Olusegun Are · Journal of Engineering Research and Reports · 2025

Shewhart control charts are suitable for stable but repetitive production processes used for the subsequent identification of random deviations while indicating breached quality limits. Shewhart control charts are commonly used to determine if a process is under control. Control...

Open access Research Article 10.9734/jerr/2025/v27i31434