Construction of Music Teaching Evaluation Model Based on Weighted Naïve Bayes

Table 5

Some experimental results of the BP algorithm.

True evaluation value	Rank value	Predicted calculated value	Error range	Forecast level
0.98863	Excellent	0.927	0.060	Excellent
0.94318	Excellent	0.908	0.034	Excellent
1	Excellent	0.928	0.071	Excellent
0.97727	Excellent	0.946	0.031	Excellent
0.98863	Excellent	0.953	0.034	Excellent
0.96591	Excellent	0.924	0.041	Excellent
1	Excellent	0.918	0.081	Excellent
0.88636	Good	0.927	–0.041	Excellent
0.54545	Unqualified	0.819	–0.274	Good
0	Unqualified	0.291	–0.291	Unqualified