Construction of Music Teaching Evaluation Model Based on Weighted Naïve Bayes

Table 7

Calculation results of test data.

Number of increments	50 more		Add 100		150 more		Add 180
	Before increment	After increment	Before increment	After increment	Before increment	After increment	Before increment	After increment
Grade	Excellent		Excellent		Good		Good
Excellent	1.1e − 09	2.5e − 09	3.9e − 08	2.1e − 08	3.5e − 06	2.9e − 06	1.3e − 05	1.2e − 05
Good	1.5e − 12	5.6e − 15	7.2e − 14	5.le − 13	2.9e − 06	7.4e − 06	1.9e − 08	4.1 − 08
Secondary	0.0	0.0	0.0	0.0	3.0e − 05	7.3e − 06	0.0	0.0
Qualified	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
Unqualified	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
Judgment result	Excellent	Excellent	Excellent	Excellent	Secondary	Good	Excellent	Excellent