Table 2. PA values for the E form, L const and T C prediction problems.
The results obtained with and without using the similarity measure (SM) information are shown for comparison.
E form (eV) | L const (Å) | T C (K) | |||||
---|---|---|---|---|---|---|---|
Prediction method | Without SM | With SM | Without SM | With SM | Without SM | With SM | |
GKR with all variables | R 2 | 0.929 | 0.954 | 0.982 | 0.986 | 0.893 | 0.929 |
MAE | 0.189 | 0.154 | 0.022 | 0.018 | 78.80 | 58.09 | |
GKR with the best variable combination | R 2 | 0.967 | 0.978 | 0.989 | 0.992 | 0.968 | 0.988 |
MAE | 0.122 | 0.110 | 0.014 | 0.013 | 42.74 | 25.76 | |
Ensemble of GKRs with top selected best variable combinations | R 2 | 0.972 | 0.982 | 0.991 | 0.992 | 0.974 | 0.991 |
MAE | 0.117 | 0.101 | 0.013 | 0.011 | 37.87 | 24.16 |