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

Table 12

McNemar’s test results for book reviews.

Classifier B	Unigram (classifier A)					Joint feature (classifier A)
	NB	LR	SVM	BSVM	BNB	NB	LR	SVM	BSVM	BNB
NB		0.767	0.870	2.400	1.468		1.177	1.381	2.184	1.995
LR			0.051	1.586	1.074			0.756	2.167	1.360
SVM				1.484	1.025				1.233	0.562
BSVM					0.460					0.616
BNB