Research Article

Spatio-Temporal Segmented Traffic Flow Prediction with ANPRS Data Based on Improved XGBoost

Table 3

Parameter settings of XGBoost-S.

TypeParameterSettings

Boostermax_depth5
min_child_weight10
gamma0
subsample1
reg_alpha0.01
reg_lambda0.05
scale_pos_weight1

GeneralBoostergbtree
Silent0
Nthreadmax

Learning targetObjectivereg:gamma
eval_metricDepending on objective
Seed0
learning_rates0.25
num_boost_round80