Feature Reduction Based on Genetic Algorithm and Hybrid Model for Opinion Mining

Table 14

McNemar’s test results for electronics reviews.

Classifier B	Unigram (classifier A)					Joint feature (classifier A)
	NB	LR	SVM	BSVM	BNB	NB	LR	SVM	BSVM	BNB
NB		1.150	1.350	0.150	0.750		0.550	0.950	0.150	0.950
LR			0.150	1.350	1.950			0.350	0.750	1.550
SVM				1.450	2.150				1.150	1.950
BSVM					0.550					0.750
BNB