KDD CUP 2017 task1
KDD CUP 2017 task1
MAPE = 0.1872, 名次 57 / 3754
程序共有三个模型
m1: Pred_big_XGB是直接对整个路段总时间进行预测,使用XGB模型
m2: Pred_cut_XGB是将大路段切分为小路后分别对每个小路段进行预测,然后重组,使用XGB模型
m3: Pred_cut_NN也是将大路段切分后进行预测,使用nn模型
最终成绩由四部分构成: m1 * 0.5 + (m1' * 0.35 + m2 * 0.35 + m3 * 0.3) * 0.5
m1' * 0.35 + m2 * 0.35 + m3 * 0.3的MAPE = 0.1886 其中m1'为m1的eta取0.05,为中间提交的一个结果
最终线上测评为MAPE = 0.1872
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