Research Article
Hybrid Feature Selection Based Weighted Least Squares Twin Support Vector Machine Approach for Diagnosing Breast Cancer, Hepatitis, and Diabetes
| Dataset | Number of features | Number of positive instances | Number of negative instances | Imbalance ratio |
| Breast Cancer | 9 | 241 | 458 | 1.9 | Pima Diabetes | 8 | 500 | 268 | 1.8 | Hepatitis | 19 | 123 | 32 | 3.8 |
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