A Hybrid Sales Forecasting Scheme by Combining Independent Component Analysis with K-Means Clustering and Support Vector Regression

Table 8

Summary of forecast results by the four models.

Group name	Models	MAD	RMSE	MAPE
Manufacturing	single-SVR	426.28	203.84	3.27%
	K-means-SVR	350.28	132.21	1.89%
	ICA-GHSOM-SVR	278.31	105.90	1.29%
	ICA-k-SVR	252.12	92.90	0.96%
Service	single-SVR	293.76	96.07	3.11%
	K-means-SVR	222.95	62.12	2.23%
	ICA-GHSOM-SVR	109.86	46.87	1.76%
	ICA-k-SVR	84.22	27.12	1.31%
Finance	single-SVR	1488.69	499.99	4.72%
	K-means-SVR	851.85	378.81	3.71%
	ICA-GHSOM-SVR	593.76	268.32	3.57%
	ICA-k-SVR	445.19	201.91	3.34%