Interval Forecasting in Supply Chain with Small Sample

Table 3

The error analysis of different models.

	RPI 1	RPI 2	RPI 3	RPI 4	RPI 5
MAPE of GM(1,1)	6	3	1	3	2
MAPE of (1,1)	4.1	2.3	0.4	1.2	0.4