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This is an official PyTorch implementation of the NeurIPS 2023 paper 《OneNet: Enhancing Time Series Forecasting Models under Concept Drift by Online Ensembling》
Hello, I am a freshman. I have read your literature and main code and have some basic questions :
Your work is excellent and very helpful to me. Can you upload the MOE and Average files in the ensembling method?
Thank you for your contribution. But when I tried to reproduce your code multiple times, I got results different from the article. When the prediction step size was 1 in the ETTh2 dataset, I got a result of 0.660 0.435. When the prediction step size was 24 in the WTH dataset, I got a result of 0.192 0.272. When I ran it on the ECL dataset, I got a result of 2.394 0.273, 2.324 0.360, 3.089 0.382. What is the reason?
I've fully experimented with their code taking up CPU memory issues. It is evident that the CPU memory decreases gradually when the program is running. Fortunately, their process will not be killed because the datasets in their experiment are too small.
However, I tested their code on a dataset with 100,000 entries. And the process was killed when we got to one tenth of the way through the test because of memory leak.
Long data series are not uncommon in the real world of online learning, and online learning is geared towards applications in the display world. Therefore, we are supposed to take this issue seriously.
I have asked the author of the FSNet but got no reply. Considering the in-depth research you have conducted on time series online learning, I hope you could discuss this problem with me.
Looking forward to your reply.
if timeenc == 2:
dt = pd.to_datetime(dates.date.values)
return np.stack([
dt.minute.to_numpy(),
dt.hour.to_numpy(),
dt.dayofweek.to_numpy(),
dt.day.to_numpy(),
dt.dayofyear.to_numpy(),
dt.month.to_numpy(),
dt.isocalendar().week.to_numpy()
], axis=1).astype(float)
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