README.md

metadata

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

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
• 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)