---
license: mit
tags:
- imdb
- sentiment
- subset
---
This dataset contains the original IMDB train split plus balanced dev and test splits derived from the IMDB test set.

### Generation Command
```bash
python take_split.py --target_dataset imdb-dev-test-split --dev_size 15000 --test_size 10000 --seed 42 --private
```

## Dataset Splits

- Train: 25000 samples (label distribution: {0: 12500, 1: 12500})
- Dev: 15000 samples (label distribution: {0: 7500, 1: 7500})
- Test: 10000 samples (label distribution: {0: 5000, 1: 5000})
- Seed: 42

## Notes

- Source: [imdb](https://huggingface.co/datasets/imdb)
- Train split is the original unmodified IMDB train set (25k samples)
- Dev and test are carved from the original IMDB test set (25k samples)
- Dev and test are both label-balanced (50% positive / 50% negative)
- Each document has a unique MD5 hash ID derived from its text content
- Dataset passed determinism sanity check before upload

## License

See original dataset (MIT)