Macroeconomic Forecast Model System Based on Digital Information and Blockchain Technology

Table 3

Results of neural network model based on artificial neural network and PSO algorithm.

Year	Actual expenditure method GDP (100 million yuan)	Model forecast spending GDP (100 million yuan)	Error
2010	410708	410707.944	0.056
2011	486038	486037.957	0.043
2012	540989	540988.979	0.021
2013	596963	596962.932	0.068
2014	647182	647181.943	0.057
2015	699109	699108.969	0.031
2016	746315	746314.992	0.008