Diagnosis Model of Volleyball Skills and Tactics Based on Artificial Neural Network

Table 5

Evaluation results of BP network pass.

Test sample	Practical expert rating	Network output	Absolute error	Relative error (%)	Average relative error (%)
1	82	81.63	−0.37	0.45	0.57
2	78	79.02	1.02	1.31
3	78	78.39	0.39	0.50
4	68	67.55	−0.45	0.66
5	80	79.86	−0.14	0.18
6	80	80.25	0.25	0.31
7	75	74.6 1	−0.39	0.52
8	81	81.35	0.35	0.43
9	72	71.44	−0.56	0.78
10	70	70.39	0.39	0.56