Table 4. Formal context of health datasets.
| Formal context | Objects | Attributes | Class attributes |
|---|---|---|---|
| Acute inflammations | 120 | 19 | 4 |
| Breast cancer Wisconsin | 699 | 38 | 2 |
| Heart disease | 297 | 46 | 2 |
| Healthy older people | 231 | 33 | 4 |
| Hepatitis C virus (HCV) | 589 | 42 | 5 |
| Audiology | 200 | 185 | 24 |
| Autistic spectrum disorder screening data for adolescent | 104 | 87 | 2 |
| Autistic spectrum disorder screening data for children | 292 | 104 | 2 |
| Breast cancer | 277 | 43 | 2 |
| Breast tissue | 106 | 39 | 6 |
| Caesarian section classification | 80 | 18 | 2 |
| Cervical cancer (Risk Factors) | 858 | 107 | 2 |
| Contraceptive method choice | 1,473 | 29 | 3 |
| Cryotherapy | 90 | 25 | 2 |
| Diabetic retinopathy debrecen | 1,151 | 71 | 2 |
| EEG eye state | 14,980 | 72 | 2 |
| Exasens | 100 | 26 | 3 |
| Fertility | 100 | 30 | 2 |
| Heart failure clinical records | 299 | 36 | 2 |
| Hepatitis | 135 | 38 | 2 |
| Liver disorders | 345 | 18 | 3 |
| Lung cancer | 32 | 223 | 3 |
| Lymphography | 148 | 66 | 4 |
| Mammographic mass | 830 | 24 | 2 |
| Post-operative patient | 87 | 27 | 3 |
| Primary tumor | 164 | 39 | 6 |
| SPECT heart | 267 | 46 | 2 |
| Statlog (Heart) | 270 | 38 | 2 |
| Thyroid disease | 8,861 | 52 | 6 |