|
| Table 2. Statistical measures and performances of four learning algorithms on the enzymatic synthesis of betulinic acid ester. |
Learning algorithm |
The best architecture |
Training data |
|
Testing data |
||||
RMSE |
R2 |
AAD |
|
RMSE |
R2 |
AAD |
||
Quick Propagation (QP) |
4-9-1 |
0.0335 |
0.9999 |
0.0647 |
|
0.6279 |
0.9961 |
1.4478 |
Incremental Backpropagation (IBP) |
4-9-1 |
1.1738 |
0.9900 |
2.0796 |
|
1.1469 |
0.9871 |
2.2973 |
Batch Backpropagation (BBP) |
4-7-1 |
0.9582 |
0.9933 |
1.7536 |
|
0.8096 |
0.9935 |
1.8932 |
Levenberg-Marquardt (LM) |
4-8-1 |
0.2909 |
0.9993 |
0.5402 |
|
1.4214 |
0.9801 |
3.2160 |
|
|
|