Table 2. Results of 5-fold Cross-Validation for the Active Learning Strategies Evaluated by Training cNNPs with an Oxalic Acid CSP Landscapea.
| strategy | energy MAE (kJ mol–1) | energy RMSE (kJ mol–1) | final dataset size |
|---|---|---|---|
| random | 0.86 (0.04) | 1.20 (0.13) | 320 (36) |
| highest uncertainty | 0.97 (0.06) | 1.29 (0.10) | 252 (45) |
| highest uncertainty FPS | 0.96 (0.10) | 1.33 (0.16) | 288 (67) |