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

Table 15

McNemar’s test results for kitchen reviews.

Classifier B	Unigram (classifier A)					Joint feature (classifier A)
	NB	LR	SVM	BSVM	BNB	NB	LR	SVM	BSVM	BNB
NB		0.564	1.077	2.411	1.385		1.590	0.307	1.693	1.282
LR			1.693	3.027	2.001			2.308	3.335	2.924
SVM				1.282	0.256				0.974	0.564
BSVM					0.974					0.204
BNB