Table 6 Parameter range and optimal parameters for grid search.
From: GPP estimation based on CatBoost and analysis of change driving factors in Shanxi Province, China
Parameters | Parameter search space | Sampling interval | Optimal value |
|---|---|---|---|
max_depth | [1, 6] | 1 | 5 |
learning_rate | [0.01, 0.1] | 0.02 | 0.03 |
l2_leaf_reg | [1, 3] | 1 | 1 |
