[Retracted] Evaluation System of Music Art Instructional Quality Based on Convolutional Neural Networks and Big Data Analysis

Table 2

Prediction results of different models.

Sample	Multivariate linearity		Partial least squares		CNN
	Predicted value	Relative error	Predicted value	Relative error	Predicted value	Relative error
21	7.1941	7.21	7.5608	8.45	6.0416	0.36
22	7.3632	4.89	6.9721	3.74	6.1417	2.51
23	7.9603	6.53	8.3257	1.99	8.3916	1.28
24	8.9924	4.39	8.6214	6.92	9.7410	3.06
25	8.9042	5.47	8.7456	4.97	7.0612	0.39