TY - JFULL AU - Hui Hsin Huang PY - 2017/5/ TI - Forecasting Materials Demand from Multi-Source Ordering T2 - International Journal of Industrial and Manufacturing Engineering SP - 900 EP - 904 VL - 11 SN - 1307-6892 UR - https://publications.waset.org/pdf/10007787 PU - World Academy of Science, Engineering and Technology NX - Open Science Index 124, 2017 N2 - The downstream manufactures will order their materials from different upstream suppliers to maintain a certain level of the demand. This paper proposes a bivariate model to portray this phenomenon of material demand. We use empirical data to estimate the parameters of model and evaluate the RMSD of model calibration. The results show that the model has better fitness. ER -