Strategy | Alphabet Size | % Accuracy | #Rules | #expr. atts. |
---|---|---|---|---|
Orig | 20+1 | 74.0 ± 0.6 | 34.4 ± 1.7 | 9.0 ± 0.1 |
MI | 2 | 72.3 ± 0.6• | 21.4 ± 1.0 | 6.2 ± 0.7 |
 | 3 | 73.2 ± 0.6 | 30.2 ± 1.7 | 6.7 ± 1.0 |
 | 4 | 72.4 ± 0.8• | 26.4 ± 2.1 | 7.1 ± 1.1 |
 | 5 | 71.8 ± 0.9• | 23.4 ± 4.8 | 7.8 ± 1.0 |
RMI | 2 | 72.3 ± 0.6• | 21.4 ± 1.0 | 6.2 ± 0.7 |
 | 3 | 73.2 ± 0.6 | 30.2 ± 1.7 | 6.7 ± 1.0 |
 | 4 | 73.3 ± 0.5 | 30.2 ± 1.5 | 6.1 ± 1.1 |
 | 5 | -- | -- | -- |
DualRMI | 2 | 72.4 ± 0.5• | 24.0 ± 1.3 | 7.0 ± 1.0 |
 | 3 | 73.0 ± 0.6• | 29.1 ± 1.6 | 6.5 ± 1.1 |
 | 4 | 73.3 ± 0.6 | 29.7 ± 1.3 | 6.3 ± 1.0 |
 | 5 | 73.3 ± 0.5 | 30.4 ± 1.1 | 6.2 ± 1.1 |