E-Research

Modelling Student Retention in Tutorial Classes with Uncertainty—A Bayesian Approach to Predicting Attendance-Based Retention

A Bayesian additive regression tree (BART) is a recent statistical method that blends ensemble learning with nonparametric regression. BART is constructed using a Bayesian…

Eli Nimy, Moeketsi Mosia

Web-based Clustering Application for Determining and Understanding Student Engagement Levels in Virtual Learning Environments

The increasing use of virtual learning environments (VLEs) in recent years has transformed teaching and learning methods. Universities now combine VLEs with traditional…

Eli Nimy, Moeketsi Mosia

Identifying At-Risk Students for Early Intervention—A Probabilistic Machine Learning Approach

The utilization of learning analytics to identify at-risk students for early intervention has exhibited promising results. However, most predictive models utilized to…

Eli Nimy, Moeketsi Mosia, Colin Chibaya

Showcasing White-Box Implementation of the RSA Digital Signature Scheme

Data security is a priority in online transactions. Data security, in this context, refers to both data confidentiality, data integrity, and data authenticity when online…

Colin Chibaya, Mfundo Monchwe, Taryn Nicole Michael, Eli Bila Nimy