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

Table 2

Evaluation results of BP network padding.

Test sample	Practical expert rating	Network output	Absolute error	Relative error (%)	Average relative error (%)
1	81	80.57	−0.43	0.53	0.48
2	78	78.09	0.09	0.12
3	85	85.32	0.32	0.38
4	76	75.77	−0.23	0.30
5	82	82.48	0.48	0.59
6	78	78.25	0.25	0.32
7	77	77.63	0.63	0.82
8	80	79.61	−0.39	0.49
9	73	72.81	−0.19	0.26
10	60	60.58	0.58	0.97