Forever.Young

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trafficstars

> ![image](https://user-images.githubusercontent.com/10254176/55133988-7ef2d880-5162-11e9-82e8-6b5c734a6190.png) > #这里的逻辑还是没懂,为什么离散型数据全部为1#......已经了解了 DFI存的是特征的index,DFV存的是特征的值

it seems save and load model is something everybody want