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

Table 2

Description of multidomain dataset and movie review dataset (joint feature).

Dataset	Number of stratified samples	Positive reviews	Negative reviews	Total attributes	Total attributes (weight by IG)	Total attributes (optimized selection)
						NB, LR, SVM	BSVM	BNB
Book	191	100	91	407	367	285	297	250
DVD	199	99	100	392	342	274	279	250
Electronics	200	100	100	303	236	212	196	192
Kitchen	190	99	91	234	214	164	146	145
Movie	200	100	100	1719	1718	1203	1069	1049