Research Article
[Retracted] The Use of Hellinger Distance Undersampling Model to Improve the Classification of Disease Class in Imbalanced Medical Datasets
Table 7
Evaluation results for THS dataset using classifiers (KNN, SVM, and DT) and models (baseline, Tml, RUS, ENN, and HDUS).
| THS | | Baseline | Tml | RUS | ENN | HDUS |
| KNN | Sensitivity (%) | 0.00 | 0.00 | 42.86 | 4.76 | 23.81 | Specificity (%) | 100.00 | 98.97 | 60.82 | 91.75 | 75.26 | Precision (%) | 0.00 | 0.00 | 19.15 | 11.11 | 19.24 | F1_m (%) | 0.00 | 0.00 | 26.47 | 6.67 | 21.28 | Bacc (%) | 50.00 | 49.48 | 51.84 | 48.26 | 49.53 |
| SVM | Sensitivity (%) | 0.00 | 0.00 | 66.67 | 4.76 | 71.43 | Specificity (%) | 100.00 | 100.00 | 47.42 | 91.75 | 44.27 | Precision (%) | 0.00 | 0.00 | 21.54 | 11.11 | 21.13 | F1_m (%) | 0.00 | 0.00 | 32.56 | 6.67 | 32.61 | Bacc (%) | 50.00 | 50.00 | 57.04 | 48.26 | 57.84 |
| DT | Sensitivity (%) | 23.81 | 14.29 | 42.86 | 38.10 | 80.95 | Specificity (%) | 87.63 | 91.75 | 48.45 | 81.44 | 40.02 | Precision (%) | 29.41 | 27.27 | 15.25 | 30.77 | 25.99 | F1_m (%) | 26.32 | 18.75 | 22.50 | 34.04 | 39.33 | Bacc (%) | 55.72 | 53.02 | 45.66 | 59.77 | 60.48 |
| AVG | Sensitivity (%) | 7.94 | 4.76 | 50.79 | 15.87 | 58.73 | Specificity (%) | 95.88 | 96.91 | 52.23 | 88.32 | 53.18 | Precision (%) | 9.80 | 9.09 | 18.65 | 17.66 | 22.12 | F1_m (%) | 8.77 | 6.25 | 27.18 | 15.79 | 31.07 | Bacc (%) | 51.91 | 50.83 | 51.51 | 52.09 | 55.95 |
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