Research Article
δ-Cut Decision-Theoretic Rough Set Approach: Model and Attribute Reductions
Table 3
The decision rules between raw data and decision-monotonicity criterion based reducts (Dermatology).
| | () rules | () rules | () rules | Raw | Reduct | Raw | Reduct | Raw | Reduct |
| 0.1 | 0 ± 0 | 1.100 ± 3.478 | 1134 ± 952.1 | 1154 ± 848.9 | 1061 ± 952.1 | 1041 ± 847.3 | 0.2 | 0 ± 0 | 0.500 ± 1.269 | 512.4 ± 602.6 | 534.7 ± 583.3 | 1683 ± 602.6 | 1661 ± 582.9 | 0.3 | 0 ± 0 | 0.200 ± 0.426 | 512.3 ± 715.5 | 448.8 ± 650.2 | 1683 ± 715.5 | 1747 ± 650.1 | 0.4 | 0 ± 0 | 0.000 ± 0.000 | 878.2 ± 915.9 | 860.4 ± 822.4 | 1317 ± 915.9 | 1335 ± 822.4 | 0.5 | 0 ± 0 | 0.4000 ± 0.699 | 534.0 ± 703.5 | 505.9 ± 643.8 | 1662 ± 703.5 | 1689 ± 643.5 | 0.6 | 0 ± 0 | 2.000 ± 0.943 | 688.5 ± 754.3 | 671.3 ± 779.7 | 1507 ± 754.3 | 1522 ± 779.3 | 0.7 | 29.20 ± 5.473 | 33.20 ± 12.35 | 539.0 ± 522.5 | 536.0 ± 525.2 | 1627 ± 522.5 | 1627 ± 521.6 | 0.8 | 139.9 ± 5.953 | 139.9 ± 5.953 | 458.6 ± 314.6 | 458.6 ± 314.6 | 1597 ± 313.8 | 1597 ± 313.8 | 0.9 | 212.9 ± 9.036 | 219.9 ± 9.036 | 292.4 ± 124.3 | 292.4 ± 124.3 | 1691 ± 117.7 | 1691 ± 117.7 | 1.0 | 328.2 ± 1.932 | 328.2 ± 1.932 | 66.8 ± 24.14 | 66.8 ± 24.14 | 1801 ± 23.73 | 1801 ± 23.73 |
| Mean values | 71.02 ± 2.239 | 71.84 ± 3.608 | 561.7 ± 562.9 | 552.8 ± 531.6 | 1563 ± 562.2 | 1571 ± 530.3 |
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