This study aims to evaluate the cost-effectiveness of manufacturing systems in Senegalese plants by applying a Bayesian hierarchical model. Bayesian hierarchical models were employed to analyse data from manufacturing systems across Senegalese plants. The models account for both fixed effects (system parameters) and random effects (plant-specific variations). The analysis revealed significant variation in cost-effectiveness metrics among different plants, with some achieving up to a 30% reduction in operational costs compared to industry averages. The Bayesian hierarchical model demonstrated robustness in capturing plant-level variability and improving the accuracy of cost-effectiveness estimates over traditional methods. Implementing this approach could lead to more targeted interventions, potentially reducing operational costs by up to 30% for manufacturing systems in Senegalese plants. Bayesian hierarchical model, manufacturing systems, cost-effectiveness, Senegal, engineering The maintenance outcome was modelled as Y₈ₓ=₀+₁X₈ₓ+uᵢ+₈ₓ, with robustness checked using heteroskedasticity-consistent errors.
Ndiaye et al. (Thu,) studied this question.
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