Data set | formulations | |||
| Hogstrom [35] | Flesch et al. [23] | Dyer and Hicks [36] Dyer [39] | Hogstrom [37] |
1 | 1.21 (0.84) | 1.11 (0.82) | 1.19 (0.84) | 1.19 (0.83) |
2 | 1.03 (0.76) | 0.93 (0.73) | 1.01 (0.75) | 1.00 (0.75) |
3 | 1.38 (0.78) | 1.29 (0.76) | 1.36 (0.78) | 1.36 (0.78) |
4 | 1.05 (0.77) | 0.95 (0.75) | 1.03 (0.77) | 1.02 (0.77) |
5 | 1.11 (0.89) | 1.03 (0.87) | 1.09 (0.89) | 1.09 (0.89) |
6 | 1.27 (0.81) | 1.19 (0.80) | 1.25 (0.81) | 1.25 (0.81) |