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

Table 13

McNemar’s test results for DVD reviews.

Classifier B	Unigram (classifier A)					Joint feature (classifier A)
	NB	LR	SVM	BSVM	BNB	NB	LR	SVM	BSVM	BNB
NB		0.250	0.651	0.451	0.952		0.050	0.251	0.050	0.752
LR			0.972	0.150	0.651			0.150	0.150	0.852
SVM				1.153	1.654				0.351	1.053
BSVM					1.037					0.857
BNB