Establishment of Economic Forecasting Model of High-tech Industry Based on Genetic Optimization Neural Network

Table 2

Comparison of different methods.

Method	Square sum error	Mean absolute error	Mean square deviation	Average percentage error	Mean square percentage error
Arima model	2216.8	4.59	0.54	3.11	0.53
Stepar model	2119.6	3.78	0.29	3.63	0.55
Winters model	1987.2	3.96	0.37	2.26	0.42
GANN model	214.9	2.13	0.21	1.01	0.31