---
annotations_creators:
- no-annotation
language:
- vi
language_creators:
- found
license: cc-by-nc-4.0
multilinguality:
- monolingual
size_categories:
- n<1K
source_datasets: []
task_categories:
- multiple-choice
task_ids:
- multiple-choice-qa
---

# AIO-2025 Vietnamese ML/DS Dataset

Vietnamese multiple-choice question dataset for AI, Machine Learning, and Data Science education.

## Quick Start

### Python / HuggingFace

```python
from datasets import load_dataset

ds = load_dataset("vudang449/AIO-2025-Vietnamese-ML-DS")
print(ds["train"][0]["question"])
```

### Local Files

```python
import json

with open("aio2025_final_clean.jsonl") as f:
    for line in f:
        record = json.loads(line)
```

## Dataset Summary

| Metric | Value |
|--------|-------|
| Total records | 197 |
| Balanced answers | A: 50, B: 50, C: 50, D: 47 |
| Pass rate | 100% (quality-verified) |
| Language | Vietnamese |
| License | CC BY-NC 4.0 |

## Fields

| Field | Type | Description |
|-------|------|-------------|
| `id` | string | Unique record ID |
| `question` | string | Question text |
| `option_a` | string | Choice A |
| `option_b` | string | Choice B |
| `option_c` | string | Choice C |
| `option_d` | string | Choice D |
| `answer` | string | Correct answer: A / B / C / D |
| `answer_index` | int | Numeric index (0=A, 1=B, 2=C, 3=D) |
| `source` | string | `quiz` / `exam` / `vietnamese_exam` |
| `module` | string | AIO course module (Module_3A–Module_14, Module_3B) |
| `difficulty` | string | `EASY` / `MEDIUM` / `HARD` |

## Distribution

**By Answer** (balanced)
- A: 50 (25.4%), B: 50 (25.4%), C: 50 (25.4%), D: 47 (23.9%)

**By Difficulty**
- MEDIUM: 118 (59.9%)
- EASY: 71 (36.0%)
- HARD: 8 (4.1%)

**By Module**
- Module_3A: 2, Module_3B: 5, Module_4: 17, Module_5: 26
- Module_6: 24, Module_7: 27, Module_8: 10, Module_9: 27
- Module_10: 13, Module_11: 5, Module_12: 4, Module_13: 2
- Module_14: 6, Quizzes: 29

## Quality Assurance

Records removed during cleaning (problematic records):
- `[Blank]` placeholder markers
- Cross-question dependencies
- Image/diagram dependencies
- Code in options (notebook exercises)
- Math fragment leakage in options
- Option contamination
- Schema inconsistencies

## Citation

```
@dataset{aio2025vietnamese,
  title  = {AIO-2025 Vietnamese ML/DS Dataset},
  author = {AIO Course},
  year   = {2025},
  version = {v2.0.0},
  license = {CC BY-NC 4.0},
}
```