艾熊
2018-06-20
我觉得也可以tune一下树模型用树模型呀，树模型也可以融合多目标也可以适用于pair对的目标呀！
yy
2018-06-20
是不是因为树模型不太适合用户id和广告id当特征，而信息流又希望把这些算成实时的，所以不太适合
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