Research Article
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 | | | | | | | | | | |
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