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空值是如何确定的? #6
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因为预处理的时候就将缺失的用负值填充了 |
不太懂您的意思,您是说原来的赛题数据就已经做过负值填充了对吧? |
不是,我处理的时候把缺失的用负值标志了。缺失这个从原始数据可以知道的 |
新数据我就不太清楚了,如果是你说的那样,那就不用填充了 |
ok,thanks |
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请问大神,您代码中将特征值小于0的判为空值是怎么确定的?是数据城堡运营告知的?还是您根据常识?
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