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

Table 10

BP neural network results of training on railway construction risks in 15 European countries.

NO	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
Expert mark	0.525	0.563	0.532	0.623	0.543	0.811	0.802	0.621	0.767	0.621	0.602	0.654	0.625	0.571	0.455
Training results	0.547	0.586	0.544	0.648	0.559	0.781	0.764	0.595	0.794	0.620	0.577	0.625	0.652	0.549	0.476
Error (%)	4.22	4.14	2.29	4.08	2.94	3.73	4.77	4.11	3.56	0.12	4.15	4.46	4.36	3.92	4.56