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https://github.com/acmi-lab/OnlineLabelShift

Code accompanying our paper titled Online Label Shift: Optimal Dynamic Regret meets Practical Algorithms
https://github.com/acmi-lab/OnlineLabelShift

distribution-shift domain-adaptation machine-learning

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Code accompanying our paper titled Online Label Shift: Optimal Dynamic Regret meets Practical Algorithms

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README

        

# Online Label Shift

`OnlineLabelShift` is the official implementation of the accompanying paper [Online Label Shift: Optimal Dynamic Regret meets Practical Algorithms](https://arxiv.org/pdf/2305.19570.pdf).
For more details, please refer to the paper.



## Setup Environment

```
conda env update --file environment.yml
```

## Run Online Label Shift Experiment

The following command runs the online label shift experiment.
It expects the base model has been trained and saved under `/model`

```
python scripts/run_ols.py -d synthetic -m logreg --do-all 1 -t 1000 --save 1
```

To see all the options

```
python scripts/run_ols.py -h
```

## Train model

This script supports model training for synthetic, cifar10, and mnist datasets.

```
python scripts/train_model.py -d -m -e
```

The corresponding models are:

| Data | Model |
| --------- | -------- |
| synthetic | logreg |
| mnist | fcn |
| cifar10 | resnet18 |

## Generate Synthetic Data

To run experiments on synthetic data, one should first generate the data with the following command:

```
python scripts/gen_synth_data.py
```