Table 5. Implicational base of formal context of health datasets.
| Formal context | Number of attribute implications | Percentage of redundancy | ||
|---|---|---|---|---|
| Without constraints | With constraints | Redundant | ||
| Acute inflammations | 69 | 43 | 26 | 38% |
| Breast cancer Wisconsin | 713 | 637 | 76 | 11% |
| Heart disease | 4,494 | 3,300 | 1,194 | 27% |
| Healthy older people | 122 | 103 | 19 | 16% |
| Hepatitis C virus (HCV) | 1,453 | 1,378 | 75 | 5% |
| Audiology | 1,691 | 1,349 | 342 | 20% |
| Autistic spectrum disorder screening data for adolescent | 124 | 123 | 1 | 1% |
| Autistic spectrum disorder screening Data for children | 2,130 | 1,909 | 221 | 10% |
| Breast cancer | 3,300 | 3,129 | 171 | 5% |
| Breast tissue | 122 | 98 | 24 | 20% |
| Caesarian section classification | 73 | 61 | 12 | 16% |
| Cervical cancer (Risk Factors) | 700 | 646 | 54 | 8% |
| Contraceptive method choice | 1,529 | 1,221 | 308 | 20% |
| Cryotherapy | 225 | 175 | 50 | 22% |
| Diabetic retinopathy debrecen | 7,297 | 7,046 | 251 | 3% |
| EEG eye state | 81 | 42 | 39 | 48% |
| Exasens | 52 | 46 | 6 | 12% |
| Fertility | 681 | 567 | 114 | 17% |
| Heart failure clinical records | 5,183 | 3,605 | 1,578 | 30% |
| Hepatitis | 3,096 | 2,920 | 176 | 6% |
| Liver disorders | 52 | 48 | 4 | 8% |
| Lung cancer | 361 | 357 | 4 | 1% |
| Lymphography | 251 | 245 | 6 | 2% |
| Mammographic mass | 277 | 218 | 59 | 21% |
| Post-operative patient | 522 | 391 | 131 | 25% |
| Primary tumor | 2,492 | 2,294 | 198 | 8% |
| SPECT heart | 2,290 | 2,199 | 91 | 4% |
| Statlog (Heart) | 5,029 | 3,563 | 1,466 | 29% |
| Thyroid disease | 3,215 | 2,727 | 488 | 15% |