Demand Forecasting for Rural E-Commerce Logistics: A Gray Prediction Model Based on Weakening Buffer Operator

Table 5

The fitting value and error of X₂.

No.	Observed value	Fitted value	Error	Relative error (%)
X2 (2)	1295.96	1305.89	−9.93	−0.7663
X2 (3)	1288.60	1289.09	−0.49	−0.0378
X2 (4)	1280.75	1272.50	8.25	0.6441
X2 (5)	1267.31	1256.13	11.18	0.8824
X2 (6)	1246.48	1239.96	6.52	0.5227
X2 (7)	1208.56	1224.01	−15.45	−1.2784