# Missing Token: Data Description

*English translation by SOTA – AI Community of the Data tab of the Indonesian Kaggle competition page [Simulasi 2.3 - Pelatnas 1 IOAI 2026](https://www.kaggle.com/competitions/simulasi-2-3-pelatnas-1-ioai-2026/data), hosted by IOAI Indonesia. Organisers who would like this translation removed can email sota.ai.community@gmail.com.*

> Alternative Drive link: https://drive.google.com/drive/folders/1KZc1DTs7Mt61hTbnrwpgkuvQSZVb5PXZ?usp=sharing

## 🗂️ Data Format

**`train.csv`** — 1,500 rows
- `label` : the original position of the missing token (0 to `L`, where `L` = the length of the incomplete sequence)
- `missing_unit` : string, the missing alien token
- `x0, x1, …, x19` : the incomplete sequence, padded with the string `<PAD>`

## Files (as listed on Kaggle)

- 3 files, 227.67 kB in total, type csv: `sample_submission.csv` (2.9 kB), `test.csv`, `train.csv`
- Licence: Subject to Competition Rules