A TREE MODEL TO SPOT THE PRINCIPAL RISK FACTORS FOR MINOR AUTOMOBILE PENAL DAMAGES
Authors: *Adeyemi H.O, Lawal N.S, Alao P.O, Alao Q.O
Minor penal damages can reduce car fairness and attract some costs to have them repaired. This study measured the types of car panel dents (cpd), possible risk factors and developed a tree model to recognize the most important factors. The study included 70 automobile panel repair workstations in Abeokuta, Southwest Nigeria, where variables were measured from 70 car panel technicians (cpt), 140 private car drivers (pcd) and 140 commercials car drivers (ccd). Variables with no significant association (p? 0.05) to cpd-risk ratings were eliminated. The tree model was developed and implemented on SPSS package. The prediction strength was ascertained from the risk estimate and classification information generated. Creased dent was the highest (60%) type reported by cpt. Car users identified influences of bicycles/motorbike (61%) and minor auto collisions (mac) (52%) as the highest risk factors among others. The model recognized five ‘mac’, ‘bicycles/motorbikes’, children manhandling’, ‘inexperience driving’ and ‘rough driving’ as the most important. With the risk estimate of 0.168 (Std. Error = 0.024), the risks predicted could only be wrong for 16.8%. Car users’ safety trainings, right packing locations and control of motorbikes/bicycles on public roads were recommended, among others, as measures to minimize cpd risks.
Affiliations: Department of Mechanical Engineering, Faculty of Engineering, Olabisi Onabanjo University, Agoiwoye, Nigeria
Keywords: Car, Dents, Risk, Factors, Tree Model
Published date: 2018/06/30