Application of Gray Markov Model to Prediction of Accidents Deaths in Coal Mining

Table 1

Prediction and comparison of the coal mine accident deaths from 1990 to 2010 in China.

Year	Actual value	Prediction value
1990	7185	0
1991	6269	7716
1992	5854	7451
1993	5152	7196
1994	6574	6949
1995	6222	6710
1996	6496	6479
1997	6141	6257
1998	6304	6042
1999	6478	5835
2000	5798	5635
2001	5670	5441
2002	6995	5254
2003	6702	5074
2004	6027	4899
2005	5986	4731
2006	4746	4569
2007	3786	4412
2008	2631	4261
2009	2631	4114
2010	2433	3987