# Hybrid Riverflow: Data Description

*English translation by SOTA – AI Community of the Data tab of the Indonesian Kaggle competition page [Simulasi 2.1 - Pelatnas 1 IOAI 2026](https://www.kaggle.com/competitions/simulasi-2-1-pelatnas-1-ioai-2026/data), hosted by IOAI Indonesia. Organisers who would like this translation removed can email sota.ai.community@gmail.com.*

## Dataset Description

```python
Alternative drive link: https://drive.google.com/file/d/1Ig-_WksE7_oRxI4laH2Yl_L7Smj1lPeR/view?usp=sharing
DATA_BUNDLE_FILE_ID = "1Ig-_WksE7_oRxI4laH2Yl_L7Smj1lPeR"
```
### Format of `train.csv`
Columns:
- `id`
- `obs_len`
- `x_1`, `x_2`, ..., `x_60`
- `target`

Description:
- `obs_len` = the actual observation length for that sample
- `x_1` to `x_60` store the historical observations
- if `obs_len < 60`, the columns after the last observation are filled with **NaN**
- `target` is the mean discharge over the next 12 days

### Format of `test.csv`
Columns:
- `id`
- `obs_len`
- `x_1`, `x_2`, ..., `x_60`

### Format of `sample_submission.csv`
Columns:
- `id`
- `target`

## Files (as listed on Kaggle)

- 4 files, 1.65 MB in total, types csv and json: `metadata.json`, `sample_submission.csv`, `test.csv`, `train.csv`
- Licence: Subject to Competition Rules
