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View Code? Open in Web Editor NEWMHCCL: Masked Hierarchical Cluster-wise Contrastive Learning for Multivariate Time Series - a PyTorch Version (AAAI-2023)
MHCCL: Masked Hierarchical Cluster-wise Contrastive Learning for Multivariate Time Series - a PyTorch Version (AAAI-2023)
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Hello, author.After reading your code, I have a question that the model designed specifically for multivariate time series? Does that mean can't run on a univariate time series.
Hi, I'm trying to replicate your algorithm, but I've found a value error when I try to run the wisdm dataset:
ValueError: setting an array element with a sequence. The requested array has an inhomogeneous shape after 1 dimensions. The detected shape was (3,) + inhomogeneous part.
This error is raised at:
augmentations.py, line 41, in permutation
warp = np.concatenate(np.random.permutation(splits)).ravel()
File "mtrand.pyx", line 4703, in numpy.random.mtrand.RandomState.permutation
Do you know how I can solve it?
Hi,
I am attempting to set up the 7 datasets as listed in your paper, and I've encountered several issues. I was able to work with some datasets from UCI and UEA, but others presented challenges.
WISDM_ar_v1.1_raw.txt
, which was not available in the downloaded files..mat
file, which seems to be required for the preprocessing code provided.I would appreciate any assistance or guidance on accessing and preprocessing these datasets correctly.
Thank you.
Hello, I cannot reproduce good results on wisdm with the following parameter settings, could you share the exact parameter setting for wisdm?
python main.py \
--dataset_name wisdm \
--lr 0.03 \
--batch_size 128 \
--mlp --cos \
--layers 3 \
--posi 2 \
--negi 100 \
--posp 3 \
--negp 4 \
--gpu 7 --epochs 150
--mask_layer0 \
--mask_mode 'mask_threshold'
Within your implementation, you guys used conv2d in ResNet implementation. Just out of curiosity, why don't you use conv1d, which is the norm in the time-series domain? Thanks.
Within your implementation, you guys used conv2d in ResNet. Just out of curiosity, why don't you use conv1d, which is the norm in the time-series domain? Thanks.
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