What Affects Bus Passengers’ Travel Time? A View from the Built Environment and Weather Condition

Table 3

Hyperparameter for LightGBM models.

Hyperparameters	Values
	Before tuning	After tuning
boosting_type	GBDT	GBDT
class_weight	None	None
colsample_bytree	1.0	1.0
importance_type	Split	Split
learning_rate	0.1	0.3
max_depth	−1	−1
min_child_samples	20	86
min_child_weight	0.001	0.001
min_split_gain	0.0	0.2
n_estimators	100	280
n_jobs	−1	−1
num_leaves	31	90
Objective	None	None
random_state	5734	5734
reg_alpha	0.0	0.05
reg_lambda	0.0	0.005
Silent	Warn	Warn
Subsample	1.0	1.0
subsample_for_bin	200000	200000
subsample_freq	0	0