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

Table 5

BP neural network results of training on railway construction risks in 22 Asian countries.

NO.	1	2	3	4	5	6	7	8	9	10	11
Expert mark	0.819	0.792	0.545	0.491	0.602	0.505	0.663	0.674	0.612	0.691	0.733
Training results	0.817	0.756	0.542	0.512	0.597	0.480	0.695	0.689	0.616	0.718	0.747
Error(%)	0.23	4.52	0.39	4.37	0.77	4.78	4.88	2.24	0.75	3.99	1.90
NO.	12	13	14	15	16	17	18	19	20	21	22
Expert mark	0.773	0.535	0.542	0.503	0.791	0.651	0.563	0.743	0.635	0.714	0.536
Training results	0.746	0.541	0.529	0.524	0.766	0.658	0.556	0.774	0.664	0.694	0.524
Error(%)	3.44	1.28	2.40	4.24	3.15	1.11	1.22	4.22	4.65	2.80	2.10