Comments (14)
Davidham3
commented on July 24, 2024
I don't know why your results looks so wired. As far as I know, graph wavenet does not fit all dataset nicely. I run the experiment in July last year, you should check whether they have updated code, so that the result may be different. Besides, you should also check all datasets not only the PeMS08, and all experiment should be finished ten times, compute the mean and std. I dont think there is any problem in my experiment. In addition, you should compute the mean value of the PEMS08, if the mean value is around 100, do you think the 1.57 is reasonable?
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ICDI0906
commented on July 24, 2024
I also think my result is wired.I will check again.Did you just predict speed on the PEMS08?
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On 01/16/2020 11:00, Davidham3 wrote:
I don't know why your results looks so wired. As far as I know, graph wavenet does not fit all dataset nicely. I run the experiment in July last year, you should check whether they have updated code, so that the result may be different. Besides, you should also check all datasets not only the PeMS08, and all experiment should be finished ten times, compute the mean and std. I dont think there is any problem in my experiment. In addition, you should compute the mean value of the PEMS08, if the mean value is around 100, do you think the 1.57 is reasonable?
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ICDI0906
commented on July 24, 2024
Hello, I run your data using DCRNN model, the MAE is also small. In the experiment, I just change the dataset. Maybe I lose some important steps, I want to know how you do expriment with DCRNN.
thanks~
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CYBruce
commented on July 24, 2024
我也感觉论文的结果有点问题，MAPE接近20%对于速度预测来说有点夸张了，会不会是计算的时候哪里出了问题？也许可以用公开的数据集METR-LA试一下
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CYBruce
commented on July 24, 2024
Hello, I run your data using DCRNN model, the MAE is also small. In the experiment, I just change the dataset. Maybe I lose some important steps, I want to know how you do expriment with DCRNN.
thanks~
我在许多公开实验集的实验过程中graph wavenet优于DCRNN优于STGCN，但这个实验结果相反
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ICDI0906
commented on July 24, 2024
是的，可能作者没有公开更多的实验细节吧
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estimate123
commented on July 24, 2024
？也许可以用公开的数据集METR-LA试一下
请问下这篇文章不是进行的流量预测吗
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guokan987
commented on July 24, 2024
？也许可以用公开的数据集METR-LA试一下
请问下这篇文章不是进行的流量预测吗
虽然我还没复现这篇文章，但是Graph WaveNet的性能应该是明显好于STGCN（原始）的，不管是在速度还是流量，因为原始的STGCN只有两个block，6层，而Graph WaveNet 可有8个block，至少14层以上，这参数量就不是一个级别的。都是Gated-CNN加GCN。
——。—— lol
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estimate123
commented on July 24, 2024
？也许可以用公开的数据集METR-LA试一下
请问下这篇文章不是进行的流量预测吗
虽然我还没复现这篇文章，但是Graph WaveNet的性能应该是明显好于STGCN（原始）的，不管是在速度还是流量，因为原始的STGCN只有两个block，6层，而Graph WaveNet 可有8个block，至少14层以上，这参数量就不是一个级别的。都是Gated-CNN加GCN。
——。—— lol
请问你复现过ASTGCN那篇文章吗，能复现出论文里的效果吗？我训练那个模型总是过拟合，达不到ASTGCN论文里的效果
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guokan987
commented on July 24, 2024
？也许可以用公开的数据集METR-LA试一下
请问下这篇文章不是进行的流量预测吗
虽然我还没复现这篇文章，但是Graph WaveNet的性能应该是明显好于STGCN（原始）的，不管是在速度还是流量，因为原始的STGCN只有两个block，6层，而Graph WaveNet 可有8个block，至少14层以上，这参数量就不是一个级别的。都是Gated-CNN加GCN。
——。—— lol请问你复现过ASTGCN那篇文章吗，能复现出论文里的效果吗？我训练那个模型总是过拟合，达不到ASTGCN论文里的效果
我记得好像训练在10-20epochs时，就达到最好的validation的结果。。。。确实有点过拟合。。。。。。效果也差点意思。。。。lol
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estimate123
commented on July 24, 2024
好像训练在10-20epochs时，就达到最好的validation的结果。。。。确实有点过拟合。。。。。。效果也差点意思。。。。lol
是的，可能是ASTGCN模型参数太多了吧
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xingzhinie
commented on July 24, 2024
据我所知，pems数据集中不仅含有flow data还有speed data等，如果误用speed数据的话，mae等评价指标有可能变得很小
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JianSoL
commented on July 24, 2024
Graph WaveNet展示的结果是不是有问题，我这边跑的结果比论文中的结果小很多
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guokan987
commented on July 24, 2024
Graph WaveNet展示的结果是不是有问题，我这边跑的结果比论文中的结果小很多
lol,摊手
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Related Issues (17)
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