基于梯度提升决策树的汇合交互作用研究

李根,翟伟,邬岚

Study of merging interactions based on gradient boosting decision tree

Gen LI,Wei ZHAI,Lan WU

表 4 损失函数拟合效果的对比

Tab.4 Comparison of fitting effect of loss function

损失函数 车辆类型 MAD MSE LAD 汇合车辆M 0.417 0.383 LAD 目标领车PL 0.613 1.128 LAD 目标跟车PF 0.564 1.020 LS 汇合车辆M 0.318 0.196 LS 目标领车PL 0.558 0.718 LS 目标跟车PF 0.549 0.748 Huber-M 汇合车辆M 0.326 0.223 Huber-M 目标领车PL 0.577 0.770 Huber-M 目标跟车PF 0.566 0.778