Table 4. GBDT model parameter calibration.
Model Parameter | Calibrated Value |
---|---|
Learning Rate (R) | 0.1 |
Maximum Leaf Nodes of a Single Decision Tree (J) | 6 |
Number of Decision Trees (M) | 338 |
Attribute Sampling Count (Sa) | 8 |
Subsample Ratio (Sf) | 0.6 |
Test Set Ratio (Rt) | 0.4 |