Author

Samuel Kofi Akpatsa

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Open access Jul 2026

The Use of Machine Learning Classifiers to Evaluate the Sentiment Categories of ChatGPT-Related Tweets

N-gram analysis reveals predominantly positive public sentiment toward ChatGPT, focusing on capabilities and utility, while negative sentiments center on performance limitations and broader AI implications.

P. Addo, Samuel Kofi Akpatsa, E. Mensah et al. · Journal of Technology Educat... · 0 citations

Open access Jul 2026

Optimizing Credit Risk Assessment in Ghanaian Micro-Lending Institutions: A Comparative Analysis of Random Forest, Extra Tree Classifier, and Ensemble Machine Learning Models

It is concluded that integrating ML models can substantially improve the accuracy, consistency, and reliability of credit risk evaluations, thereby reducing default rates and supporting financial inclusion in Ghana's microfinance sector.

P. Addo, Samuel Kofi Akpatsa, Emmanuel Mensah et al. · Journal of Applied Social Sc... · 0 citations