John Kamwele Mutinda, Revian Awuor Omollo, Jackson Ndoto Munyao, Loraine Mutune, Millicent Auma Omondi, Joyce Akhalakwa Mukolwe, Tecla Mutave Kyalo, Dickson Tulyasingula, Titus Mutua Kioko & Amos Kipkorir Langat·Asian Journal of Research in Computer Science·2026
Forecasting realised volatility is essential for financial risk management, portfolio optimisation, and derivative pricing. However, financial time series exhibit non-linearity, non-stationarity, and long memory, making accurate prediction challenging. This study proposes a novel...
Open access
Research Article10.9734/ajrcos/2026/v19i6875
John Kamwele Mutinda, Tecla Mutave Kyalo, Joyce Akhalakwa Mukolwe, Jackson Ndoto Munyao, Millicent Auma Omondi, Wycliffe Nzoli Nzomo, Titus Mutua Kioko, David Chepkonga, Samuel Kipsang Kaptum, Erick Munala Sifuna & Amos Kipkorir Langat·Asian Journal of Research in Computer Science·2025
Breast cancer diagnosis is critical for improving patient outcomes, yet traditional methods face limitations such as invasiveness and human error. This study presents an explainable AI framework for breast cancer classification using six ML models: LR, NB, KNN, RF, SVC, and DT. S...
Open access
Research Article10.9734/ajrcos/2025/v18i10762
This study employs the Capital Asset Pricing Model (CAPM) to analyze the risk-return relationship of a diversified portfolio of nine companies from technology, finance, and health sectors within the S&P 500 index sourced from Yahoo Finance. Utilizing daily stock returns data...
Open access
Research Article10.9734/ajeba/2024/v24i61356
In this study, we delve into the pivotal role of dimension reduction techniques in influencing the performance of machine learning algorithms for heart disease prediction. Through a comprehensive exploration of a dataset encompassing crucial features such as age, sex, chest pain...
Open access
Research Article10.9734/ajrcos/2024/v17i5445
Loraine Mutune, Tecla Mutave Kyalo, John Kamwele Mutinda, David Kipngetich Chepkonga, Jackson Ndoto Munyao, Stacey Jabeha, Amos Kipkorir Langat, Charles Otieno Ndede, Collins Otieno Owuor, Erick Munala Sifuna & Mercy Cherop·Asian Journal of Research in Computer Science·2026
Weakly supervised semantic segmentation has emerged as a promising approach for reducing the annotation burden associated with dense pixel-level labelling. Among weak supervision strategies, point supervision offers an attractive compromise by requiring only a small subset of lab...
Open access
Research Article10.9734/ajrcos/2026/v19i9902
David Kipngetich Chepkonga, Amos Kipkorir Langat, Ebenezer Esenogho, Mohamed Abdirahman Jama, Collins Otieno Owuor, Winnie Jepkonga Kulei, Charles Otieno Ndede, Erick Munala Sifuna, Samuel Kipsang Kaptum, Fred Junior Onyango, John Kamwele Mutinda & Aymar AKILIMALI·Asian Journal of Research in Computer Science·2026
Malaria remains one of the most significant causes of morbidity and mortality in tropical and subtropical regions, and timely diagnosis is essential for effective case management. Microscopy is the traditional parasitological reference standard, while rapid diagnostic tests (RDTs...
Open access
Research Article10.9734/ajrcos/2026/v19i8899