Table 9. Results forf Sweetness Potency of Organic Molecules (True External Dataset 4) with Best Weighting (0.5–0–0.5) Combination as Obtained from the Retrospective Study.
training
set |
test
set |
true
external test set |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
model | R2 | Q2 | MAE95%Train | QExt-F12 | MAE95%Test | correct prediction in % | number of compounds outside ADa | QExt-F12 | MAE95%Test | correct prediction in % | number of compounds outside ADa |
1 | 0.84 | 0.82 | 0.40 | 0.87 | 0.40 | 93.75 | 1 (228) | 0.74 | 0.59 | 80 | 0 |
2 | 0.85 | 0.83 | 0.43 | 0.87 | 0.42 | 95 | 2 (137, 228) | 0.75 | 0.63 | 83.33 | 0 |
3 | 0.71 | 0.69 | 0.59 | 0.75 | 0.57 | 73.75 | 2 (137, 228) | 0.64 | 0.79 | 75 | 0 |
4 | 0.86 | 0.85 | 0.39 | 0.83 | 0.48 | 93.75 | 1 (228) | 0.69 | 0.66 | 73.33 | 0 |
5 | 0.85 | 0.83 | 0.39 | 0.85 | 0.40 | 92.5 | 1 (228) | 0.79 | 0.56 | 86.67 | 0 |
AD using standardization technique is used and compound ID mentioned under parenthesis; division method: activity sorted; NTraining = 160, NTest = 80, NTrue-External-Test = 60.