Research Article
[Retracted] Prediction of the Least Principal Stresses Using Drilling Data: A Machine Learning Application
Table 2
Summary of the optimization process of the developed ANN-based model.
| Parameter | Optimized parameters | σmin model | σmax model |
| Number of hidden layers | Single hidden layer | Number of neurons in each layer | 15 | 35 | Split ratio | (Training/testing) 0.8/0.2 | Training algorithms | Trainlm | Transfer function | Logsig | Tansig | Learning rate | 0.12 |
|
|