A Multivariate Grey Prediction Model Using Neural Networks with Application to Carbon Dioxide Emissions Forecasting

Table 1

Annual carbon dioxide emissions with GDP, UP, and EC in China.

Year	GDP	UP	EC	CO2
2005	2285966	554.37	1184.158	5357.71
2006	2752132	575.12	1273.683	5911.96
2007	3552182	595.67	1368.733	6468.27
2008	4598206	616.48	1417.323	6608.14
2009	5109954	637.41	1480.672	7025.82
2010	6100620	658.50	1578.852	7706.65
2011	7572554	679.77	1692.063	8465.64
2012	8560547	700.86	1747.103	8620.58
2013	9607224	721.69	1816.852	8995.79
2014	10482372	742.30	1868.17	9036.47
2015	11064666	762.59	1905.679	9040.74