Online Learning Platform for Air Environment Detection and Career Planning Based on 5G Network

Table 1

Gray GM(1, 1) prediction model accuracy judgment standard.

Prediction accuracy	Relative error	P	Q
Good	0.01	>0.9	<0.3
Qualified	0.05	>0.75	<0.45
Reluctantly	0.10	>0.65	<0.6
Unqualified	0.20	<0.65	>0.6