ANALISIS KEAKURATAN FORECAST RESIN ABS GRADE 500 322 MENGGUNAKAN PENDEKATAN MEAN ABSOLUTE PERCENTAGE ERROR (MAPE): STUDI KASUS INDUSTRI MANUFAKTUR PLASTIC COLORING DAN COMPOUNDING

Dwi Irwati, None Ade Nurul Hidayat
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Abstract

The plastic resin coloring industry has a very important role in the molder supply chain. Materials must be imported from abroad with a long enough lead time, so material purchases are made based on the forecast provided by the molder. The constraints that occur are forecast inaccuracies which result in an increase in inventory level of material and a potential shortage of material at the customer. This research is a descriptive research with a quantitative approach, where the research method is carried out by interviews and literature studies. This research is aimed at measuring the extent to which forecast accuracy is carried out by molders using the MAPE (Mean Absolute Percentage Error) method, the results of the study show whether or not a forecast is feasible. The results of this study show an average MAPE of 36.5% so that it can be categorized as feasible. Even though the forecast is categorized as feasible, PT X must respond properly to this forecasting inaccuracy so that the supply to the molder is not disrupted. In this study, PT X had to make adjustments to the material arrival planaccording to the current month's material needs. On the other hand, it is no less important to carry out active communication and provide education to molders about the importance of forecast accuracy, so that it can provide benefits for the company itself and the molder.Keywords: Forecasting; MAPE; Molder
Analisis keakuratan forecast resin abs grade 500 322 menggunakan pendekatan mean absolute percentage error (mape): studi kasus industri manufaktur plastic colouring and compounding
塑料树脂着色行业在模具供应链中占有非常重要的地位。材料必须从国外进口,并且有足够长的交货时间,因此材料采购是根据模具提供的预测进行的。发生的限制是预测不准确,导致材料库存水平的增加和客户潜在的材料短缺。本研究是采用定量方法的描述性研究,研究方法采用访谈法和文献研究法。本研究的目的是测量预测精度的程度是由模具使用MAPE(平均绝对百分比误差)方法进行,研究结果表明预测是否可行。本研究结果显示,平均MAPE为36.5%,因此可以将其归类为可行的。即使预测被归类为可行的,PT X也必须对这种预测的不准确性做出适当的反应,以便不中断对模具的供应。在本次研究中,PT X需要根据当月的物料需求对物料到货计划进行调整。另一方面,对模具商进行积极的沟通和教育,让他们了解预测准确性的重要性,这样对公司本身和模具商都是有好处的。关键词:预测;日军;腐朽
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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