[Retracted] Application of BP Neural Network Model in Risk Evaluation of Railway Construction

Table 6

Validation results of BP neural network on construction risk of railways in 14 Asian countries.

NO.	23	24	25	26	27	28	29	30	31	32	33	34	35	36
Expert mark	0.635	0.442	0.406	0.457	0.865	0.135	0.442	0.263	0.314	0.741	0.736	0.743	0.577	0.683
Training results	0.612	0.452	0.390	0.451	0.833	0.129	0.451	0.274	0.322	0.711	0.709	0.729	0.575	0.656
Error (%)	3.62	2.47	3.92	1.31	3.64	4.15	2.16	4.22	2.55	4.05	3.65	1.88	0.35	3.95