Table 1 Parameter values and responses (mean sensitivity and specificity) for fractional factorial screening test
Run | Gray low | Gray high | b* Low | b* High | Smooth | SE | Mean sensitivity | Mean specificity |
|---|---|---|---|---|---|---|---|---|
1 | 0.2 | 0.875 | 0.225 | 0.95 | 30 | 12.5 | 61.51 | 96.43 |
*2 | 0.3 | 1 | 0.3 | 0.9 | 40 | 5 | 76.88 | 97.09 |
3 | 0.1 | 1 | 0.15 | 0.9 | 40 | 20 | 58.49 | 97.56 |
4 | 0.3 | 0.75 | 0.15 | 0.9 | 40 | 5 | 61.45 | 93.77 |
5 | 0.1 | 0.75 | 0.15 | 1 | 20 | 20 | 20.56 | 98.29 |
6 | 0.3 | 1 | 0.15 | 0.9 | 20 | 20 | 62.59 | 97.57 |
7 | 0.3 | 0.75 | 0.15 | 1 | 40 | 20 | 54.42 | 94.91 |
8 | 0.1 | 0.75 | 0.15 | 0.9 | 20 | 5 | 43.82 | 95.20 |
9 | 0.3 | 0.75 | 0.3 | 1 | 20 | 5 | 62.84 | 93.68 |
10 | 0.1 | 0.75 | 0.3 | 0.9 | 40 | 20 | 35.70 | 96.59 |
*11 | 0.1 | 1 | 0.15 | 1 | 40 | 5 | 72.43 | 97.03 |
12 | 0.3 | 0.75 | 0.3 | 0.9 | 20 | 20 | 41.01 | 94.48 |
13 | 0.1 | 0.75 | 0.3 | 1 | 40 | 5 | 46.89 | 94.76 |
14 | 0.1 | 1 | 0.3 | 0.9 | 20 | 5 | 70.36 | 96.90 |
*15 | 0.3 | 1 | 0.15 | 1 | 20 | 5 | 74.25 | 97.77 |
*16 | 0.3 | 1 | 0.3 | 1 | 40 | 20 | 73.85 | 97.59 |
17 | 0.1 | 1 | 0.3 | 1 | 20 | 20 | 52.65 | 96.07 |