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时空预测中时序零值特征问题 #32

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yeafaith opened this issue Mar 11, 2025 · 0 comments
Open

时空预测中时序零值特征问题 #32

yeafaith opened this issue Mar 11, 2025 · 0 comments

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@yeafaith
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老师您好,我们在做网格化的时空预测,验证中发现误差一直比较大,调整数据和参数都无法下降。
有个比较棘手的问题是:
训练数据有些网格会存在很多0值数据,而且网格历史值也会持续是0,
但在推理时,同样网格历史值都是0数据,却会预测出非0值。
似乎没有学习到网格时序上持续是0值的特征。
我们把token embeding的conv3d卷积核H和W大小都改为1,保留时间特征,也还是没有效果。
请问有什么办法可以解决这个问题。
望指导,感谢。

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