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How is your data handled? #7

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@pursuit1994

希望我用中文问问题不会失礼~
研一小白想请教您几个问题:
1.数据featindex.txt和featindex.fm.txt是什么关系?我观察到featindex.txt中大多数是8、10、12列的编码(在这里要再问一句这些编码是自己随意设定的吗?感觉没有顺序呀?)别的列的编码呢?
2.数据中标签为1的样本数量远小于标签为0的样本,需要做什么操作来处理这种情况吗?样本的不均衡会影响结果吗?

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