[Retracted] Adaptive Classification Algorithm Design for Online Teaching Resources of Opera Singing

Table 4

Proportion of dataset.

Proportion (train : test)	Accuracy	F1	Availability of validation set
3 : 1	0.913	0.909	1
4 : 1	0.907	0.896	1
5 : 1	0.912	0.909	1
3 : 1	0.882	0.870	0
4 : 1	0.895	0.813	0
5 : 1	0.910	0.845	0