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DLLXW avatar DLLXW commented on June 25, 2024

全球人工智能技术创新大赛【赛道一】线上线下分数的差别可能不来自于计算方式；可能是举办方故意按比例选了更难分辨的样本集，不知道大佬对这种情况可有解题思路呀？

image

我代码里面的logloss计算有误，需要再除以一个类别数，不过这样算下来线上线下还是差了很多。究其原因，就是你说的分布不一致的问题。这种情况，你只能靠线上验证了，但是不建议这样搞，如果b榜分布又变化了肯定血崩。。我也没有很好的解决思路

from data-science-competition.

alacic avatar alacic commented on June 25, 2024

soga，谢谢讲解

from data-science-competition.

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