TABLE 12. The Performance of ML for Cross-Validation Results (Disasters Dataset).
| Feature extraction method | ML Models | Matrix Size | Measure Performance Methods | |||
|---|---|---|---|---|---|---|
| Accuracy | Precision | Recall | F1-score | |||
| Unigram | DT | 3000 | 75.3± 1.26 | 75.58± 1.48 | 75.31± 1.39 | 74.83± 1.36 |
| Bi-Gram | 74.93± 1.31 | 75.1± 1.45 | 74.8± 1.39 | 74.32± 1.54 | ||
| Tri-Gram | 74.85± 1.42 | 74.98± 1.48 | 74.88± 1.44 | 74.24± 1.51 | ||
| Four-gram | 75.13± 1.36 | 75.39± 1.4 | 75.16± 1.32 | 74.61± 1.35 | ||
| Unigram | KNN | 3000 | 77.03± 1.3 | 78.44± 1.37 | 77.03± 1.3 | 76.08± 1.42 |
| Bi-Gram | 76.28± 1.46 | 78.41± 1.51 | 76.28± 1.46 | 74.99± 1.65 | ||
| Tri-Gram | 75.96± 1.44 | 78.15± 1.48 | 75.96± 1.44 | 74.62± 1.64 | ||
| Four-gram | 75.28± 1.43 | 76.94± 1.49 | 75.28± 1.43 | 74.05± 1.62 | ||
| Unigram | RF | 3000 | 78.64± 1.4 | 79.41± 1.34 | 78.64± 1.38 | 78.08± 1.4 |
| Bi-Gram | 78.4± 1.35 | 79.32± 1.39 | 78.35± 1.3 | 77.6± 1.51 | ||
| Tri-Gram | 78.44± 1.38 | 78.98± 1.36 | 78.44± 1.37 | 78.05± 1.39 | ||
| Four-gram | 78.51± 1.35 | 79.33± 1.37 | 78.54± 1.38 | 77.94± 1.46 | ||
| Unigram | LR | 3000 | 79.8± 1.26 | 80.13± 1.26 | 79.8± 1.26 | 79.43± 1.32 |
| Bi-Gram | 79.91± 1.3 | 80.28± 1.3 | 79.91± 1.3 | 79.53± 1.37 | ||
| Tri-Gram | 79.64± 1.26 | 79.93± 1.27 | 79.64± 1.26 | 79.28± 1.31 | ||
| Four-gram | 79.66± 1.3 | 79.93± 1.32 | 79.66± 1.3 | 79.32± 1.35 | ||
| Unigram | SVM | 3000 | 79.98± 1.24 | 80.67± 1.25 | 79.98± 1.24 | 79.48± 1.32 |
| Bi-Gram | 80.08± 1.27 | 80.69± 1.27 | 80.08± 1.27 | 79.61± 1.35 | ||
| Tri-Gram | 79.88± 1.27 | 80.48± 1.26 | 79.88± 1.27 | 79.41± 1.34 | ||
| Four-gram | 79.34± 1.35 | 79.73± 1.36 | 79.34± 1.35 | 78.92± 1.41 | ||
| Unigram | NB | 3000 | 79.65± 1.18 | 79.96± 1.22 | 79.65± 1.18 | 79.28± 1.22 |
| Bi-Gram | 79.48± 1.15 | 80.17± 1.21 | 79.48± 1.15 | 78.95± 1.21 | ||
| Tri-Gram | 79.21± 1.2 | 80.14± 1.25 | 79.21± 1.2 | 78.59± 1.28 | ||
| Four-gram | 79.22± 1.29 | 79.82± 1.34 | 79.22± 1.29 | 78.72± 1.35 | ||