Update README.md
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README.md
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@@ -25,9 +25,9 @@ version supports point forecasting use-cases ranging from minutely to hourly res
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- Zero-shot results of TTM surpass the *few-shot results of many popular SOTA approaches* including
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PatchTST (ICLR 23), PatchTSMixer (KDD 23), TimesNet (ICLR 23), DLinear (AAAI 23) and FEDFormer (ICML 22).
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- TTM (1024-96, released in this model card with 1M parameters) outperforms pre-trained MOIRAI-Small (14M parameters) by 10%, MOIRAI-Base (91M parameters) by 2% and
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MOIRAI-Large (311M parameters) by 3% on zero-shot forecasting (fl = 96). (
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- TTM quick fine-tuning also outperforms the hard statistical baselines (Statistical ensemble and S-Naive) in
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M4-hourly dataset which existing pretrained TS models are finding hard to outperform. (
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- TTM takes only a *few seconds for zeroshot/inference* and a *few minutes for finetuning* in 1 GPU machine, as
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opposed to long timing-requirements and heavy computing infra needs of other existing pretrained models.
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our pretraining scripts that users can utilize to pretrain models on their own. Pretraining TTMs is very easy and fast, taking
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only 3-6 hours using 6 A100 GPUs, as opposed to several days or weeks in traditional approaches.
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## Model Releases (along with the branch name where the models are stored):
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- 512-96
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in future. Recommended for hourly and minutely forecasts (Ex. resolutions 5 min, 10 min, 15 min, 1 hour, etc) (branch name: main)
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- 1024-96
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in future. Recommended for hourly and minutely forecasts (Ex. resolutions 5 min, 10 min, 15 min, 1 hour, etc) (branch name: 1024-96-v1)
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- Stay tuned for more models !
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Stay tuned for these extended features.
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## Recommended Use
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1. Users have to externally standard scale their data before feeding it to the model (Refer to TSP, our data processing utility for data scaling.)
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2. Enabling any upsampling or prepending zeros to virtually increase the context length is not recommended and will
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impact the model performance.
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### Model Sources
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<!-- Provide the basic links for the model. -->
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- **Repository:**
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- **Paper
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## Uses
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### Downstream Use [optional]
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[More Information Needed]
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## How to Get Started with the Model
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[
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## Benchmarks
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## Training Data
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**BibTeX:**
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@article{ekambaram2024ttms,
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title={TTMs: Fast Multi-level Tiny Time Mixers for Improved Zero-shot and Few-shot Forecasting of Multivariate Time Series},
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author={Ekambaram, Vijay and Jati, Arindam and Nguyen, Nam H and Dayama, Pankaj and Reddy, Chandra and Gifford, Wesley M and Kalagnanam, Jayant},
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journal={arXiv preprint arXiv:2401.03955},
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year={2024}
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}
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**APA:**
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- Zero-shot results of TTM surpass the *few-shot results of many popular SOTA approaches* including
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PatchTST (ICLR 23), PatchTSMixer (KDD 23), TimesNet (ICLR 23), DLinear (AAAI 23) and FEDFormer (ICML 22).
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- TTM (1024-96, released in this model card with 1M parameters) outperforms pre-trained MOIRAI-Small (14M parameters) by 10%, MOIRAI-Base (91M parameters) by 2% and
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MOIRAI-Large (311M parameters) by 3% on zero-shot forecasting (fl = 96). [[notebook]](https://github.com/IBM/tsfm/blob/main/notebooks/hfdemo/tinytimemixer/ttm_benchmarking_1024_96.ipynb)
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- TTM quick fine-tuning also outperforms the hard statistical baselines (Statistical ensemble and S-Naive) in
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M4-hourly dataset which existing pretrained TS models are finding hard to outperform. [[notebook]](https://github.com/IBM/tsfm/blob/main/notebooks/hfdemo/tinytimemixer/ttm_m4_hourly.ipynb)
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- TTM takes only a *few seconds for zeroshot/inference* and a *few minutes for finetuning* in 1 GPU machine, as
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opposed to long timing-requirements and heavy computing infra needs of other existing pretrained models.
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our pretraining scripts that users can utilize to pretrain models on their own. Pretraining TTMs is very easy and fast, taking
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only 3-6 hours using 6 A100 GPUs, as opposed to several days or weeks in traditional approaches.
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Each pre-trained model will be released in a different branch name in this model card. Kindly access the required model using our
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getting started [notebook](https://github.com/IBM/tsfm/blob/main/notebooks/hfdemo/ttm_getting_started.ipynb) mentioning the branch name.
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## Model Releases (along with the branch name where the models are stored):
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- **512-96:** Given the last 512 time-points (i.e. context length), this model can forecast up to next 96 time-points (i.e. forecast length)
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in future. Recommended for hourly and minutely forecasts (Ex. resolutions 5 min, 10 min, 15 min, 1 hour, etc) (branch name: main)
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- **1024-96:** Given the last 1024 time-points (i.e. context length), this model can forecast up to next 96 time-points (i.e. forecast length)
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in future. Recommended for hourly and minutely forecasts (Ex. resolutions 5 min, 10 min, 15 min, 1 hour, etc) (branch name: 1024-96-v1)
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- Stay tuned for more models !
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Stay tuned for these extended features.
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## Recommended Use
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1. Users have to externally standard scale their data indepedently for every channel before feeding it to the model (Refer to [TSP](https://github.com/IBM/tsfm/blob/main/tsfm_public/toolkit/time_series_preprocessor.py), our data processing utility for data scaling.)
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2. Enabling any upsampling or prepending zeros to virtually increase the context length for shorter length datasets is not recommended and will
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impact the model performance.
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### Model Sources
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- **Repository:** https://github.com/IBM/tsfm/tree/main/tsfm_public/models/tinytimemixer
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- **Paper:** https://arxiv.org/pdf/2401.03955.pdf
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## Uses
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```
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# Load Model from HF Model Hub mentioning the branch name in revision field
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model = TinyTimeMixerForPrediction.from_pretrained(
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"https://huggingface.co/ibm/TTM", revision="main"
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)
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# Do zeroshot
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zeroshot_trainer = Trainer(
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model=model,
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args=zeroshot_forecast_args,
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)
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)
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zeroshot_output = zeroshot_trainer.evaluate(dset_test)
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# Freeze backbone and enable few-shot or finetuning:
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# freeze backbone
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for param in model.backbone.parameters():
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param.requires_grad = False
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finetune_forecast_trainer = Trainer(
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model=model,
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args=finetune_forecast_args,
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train_dataset=dset_train,
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eval_dataset=dset_val,
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callbacks=[early_stopping_callback, tracking_callback],
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optimizers=(optimizer, scheduler),
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)
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finetune_forecast_trainer.train()
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fewshot_output = finetune_forecast_trainer.evaluate(dset_test)
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```
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## How to Get Started with the Model
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[Getting Started Notebook](https://github.com/IBM/tsfm/blob/main/notebooks/hfdemo/ttm_getting_started.ipynb)
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## Training Data
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**BibTeX:**
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```
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@article{ekambaram2024ttms,
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title={TTMs: Fast Multi-level Tiny Time Mixers for Improved Zero-shot and Few-shot Forecasting of Multivariate Time Series},
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author={Ekambaram, Vijay and Jati, Arindam and Nguyen, Nam H and Dayama, Pankaj and Reddy, Chandra and Gifford, Wesley M and Kalagnanam, Jayant},
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journal={arXiv preprint arXiv:2401.03955},
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year={2024}
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}
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```
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**APA:**
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