Research Article
An Optimized Hybrid Deep Learning Model to Detect COVID-19 Misleading Information
Table 9
The performance of applying ML to dataset 2.
| Models | Feature selection methods | Cross-validation performance | Test performance | ACC | PRE | REC | F1 | ACC | PRE | REC | F1 |
| DT | Unigram | 96.37 | 96.0 | 96.38 | 96.02 | 95.65 | 95.16 | 95.65 | 95.36 | Bi-gram | 95.86 | 94.98 | 95.82 | 94.66 | 94.98 | 93.62 | 94.98 | 94.09 | Tri-gram | 95.65 | 94.95 | 95.62 | 93.9 | 95.62 | 94.68 | 95.62 | 93.96 | Four-gram | 95.5 | 94.16 | 95.5 | 93.44 | 95.39 | 94.1 | 95.39 | 93.29 |
| KNN | Unigram | 95.94 | 96.02 | 95.94 | 94.4 | 95.44 | 95.65 | 95.44 | 93.9 | Bi-gram | 95.55 | 95.19 | 95.55 | 93.55 | 95.58 | 95.2 | 95.58 | 93.7 | Tri-gram | 95.55 | 95.19 | 95.55 | 93.55 | 95.64 | 94.99 | 95.64 | 93.9 | Four-gram | 95.53 | 95.03 | 95.53 | 93.5 | 95.30 | 94.2 | 95.30 | 93.20 |
| LR | Unigram | 97.27 | 97.12 | 97.27 | 96.83 | 96.69 | 96.38 | 96.69 | 96.02 | Bi-gram | 95.91 | 95.9 | 95.91 | 94.37 | 95.3 | 94.29 | 95.3 | 94.63 | Tri-gram | 95.66 | 95.71 | 95.66 | 93.8 | 95.57 | 94.41 | 95.57 | 93.94 | Four-gram | 95.64 | 95.55 | 95.64 | 93.74 | 95.0 | 94.0 | 95.0 | 93.0 |
| RF | Unigram | 96.95 | 97.01 | 96.97 | 96.24 | 96.22 | 96.28 | 96.22 | 94.98 | Bi-gram | 95.6 | 95.07 | 95.59 | 93.66 | 95.64 | 95.78 | 95.64 | 93.79 | Tri-gram | 95.52 | 94.56 | 95.51 | 93.48 | 95.49 | 95.58 | 95.49 | 93.43 | Four-gram | 95.51 | 94.31 | 95.49 | 93.45 | 95.35 | 90.91 | 95.35 | 93.07 |
| SVM | Unigram | 97.4 | 96.98 | 97.0 | 96.33 | 96.90 | 96.80 | 96.90 | 96.04 | Bi-gram | 97.0 | 96.80 | 97.3 | 96.34 | 96.78 | 96.69 | 96.78 | 96.02 | Tri-gram | 95.73 | 95.67 | 95.73 | 93.97 | 95.61 | 94.89 | 95.61 | 93.88 | Four-gram | 95.57 | 95.35 | 95.57 | 93.59 | 95.39 | 94.1 | 95.39 | 93.29 |
| NB | Unigram | 96.22 | 95.69 | 96.22 | 95.81 | 95.38 | 94.55 | 95.38 | 94.85 | Bi-gram | 95.36 | 90.93 | 95.36 | 93.09 | 95.35 | 90.91 | 95.35 | 93.07 | Tri-gram | 95.36 | 90.93 | 95.36 | 93.09 | 95.35 | 90.91 | 95.35 | 93.07 | Four-gram | 95.00 | 90.00 | 95.00 | 93.00 | 95.02 | 90.04 | 95.01 | 93.03 |
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