Prediction of Mine Dust Concentration Based on Grey Markov Model

Table 9

Comparison of prediction accuracy between four prediction models.

Forecasting model	Probability of small error	Mean variance ratio	Prediction accuracy
	(P)	(C)
ARIMA	0.7234	0.5879	Reluctance
Neural network	0.9149	0.3699	Qualification
GM (1, 1)	0.5532	0.9928	Nonconformity
Grey Markov model	1	0.3256	Excellent