Background: Prostate cancer remains a leading cause of cancer mortality among men in Ghana and across sub-Saharan Africa, with many patients presenting at advanced disease stages where survival outcomes are influenced by disease progression, treatment failure, comorbidities, and...
Open access
Research Article10.9734/jcti/2026/v16i3369
Prostate cancer risk stratification in low-resource clinical settings requires survival-prediction tools that address violations of the proportional hazards assumption, unobserved patient heterogeneity, and nonlinear covariate interactions that classical regression frameworks can...
Open access
Research Article10.9734/jcti/2026/v16i3367
Predicting prices is of great concern and important in the world of economics and finance. In this paper, a comparative analysis of gasoline and diesel in Ghana were analysed using Autoregressive Integrated Moving Average (ARIMA) and Seasonal Autoregressive Integrated Moving Aver...
Open access
Research Article10.9734/ajeba/2024/v24i51333
Accurate forecasting of commodity prices remains a crucial challenge due to inherent market volatility and regime-dependent behaviour. This study examines the predictive performance of two nonlinear time series models, the Threshold Autoregressive (TAR) model and the Markov Switc...
Open access
Research Article10.9734/ajeba/2025/v25i81938