Macroeconomic Forecast Model System Based on Digital Information and Blockchain Technology

Table 2

Prediction results based on artificial neural network.

Year	Actual expenditure method GDP (100 million yuan)	Model forecast spending GDP (100 million yuan)	Error
2010	410708	410707.90	0.10
2011	486038	486037.62	0.38
2012	540989	540988.35	0.65
2013	596963	596962.13	0.87
2014	647182	647181.10	0.90
2015	699109	699108.88	0.12
2016	746315	746314.86	0.14