Operational Efficiency Forecasting Model of an Existing Underground Mine Using Grey System Theory and Stochastic Diffusion Processes

Table 4

Fitted values of DOL.

Error	Year
	1	2	3	4	5
DOL-AGO values		2.292	3.642	5.291	6.546
DOL-inverse AGO values	1.219	1.073	1.350	1.649	1.255