README.md

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license: apache-2.0
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# Dataset Card for Global Height and Scale Comparison Dataset

A comprehensive dataset of height information covering humans, fictional characters, animals, plants, and objects across multiple scales — from microscopic to astronomical.

This dataset provides a unified resource for developers, researchers, and educators interested in visualizing and analyzing height and scale relationships across diverse categories.

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## Dataset Details

### Dataset Description

The **Global Height and Scale Comparison Dataset** compiles verified and estimated height data across multiple domains:

- **Humans:** Average male/female heights by country, age group (children, adults, elderly), and global anthropometric references.  
- **Celebrities:** Includes verified heights of actors, athletes, politicians, historical figures, and record holders.  
- **Fictional Characters:** Heights from popular anime (e.g., *One Piece*, *Attack on Titan*, *Naruto*), films (*Star Wars*, *The Walking Dead*), and games.  
- **Animals & Plants:** Average sizes of various species, from domestic pets to wild animals and notable plants.  
- **Objects & Celestial Bodies:** Relative scales of real-world and cosmic objects — from atoms and DNA molecules to mountains, planets, and stars.

This dataset was curated to support visualization, educational, and creative applications related to **human and object scale comparison**.

- **Curated by:** Independent Research Initiative  
- **Language(s):** Multilingual numeric data  
- **License:** Apache 2.0  

### Dataset Sources

- **Primary Sources:** Public anthropometric datasets, scientific databases, verified entertainment sources, and educational references.  
- **Supplementary Sources:** Community-contributed data and cross-referenced measurements from reputable online databases.  
- **Demo Visualization:** [https://compareheights.org](https://compareheights.org)  

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## Uses

### Direct Use

- Building visual height comparison tools and charts.  
- Educational content for teaching scale and proportion.  
- Data-driven storytelling for media, entertainment, or creative projects.  
- Reference data for machine learning models dealing with human or object scale.

### Out-of-Scope Use

- Predictive modeling of height-related personal attributes.  
- Any application that involves private or personally identifiable information.

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## Dataset Structure

Each data entry generally contains:

| Field | Description |
|-------|--------------|
| `name` | Entity name (e.g., “LeBron James”, “Eren Yeager”, “Mount Everest”) |
| `category` | Type of entity (human, anime character, object, animal, etc.) |
| `height_m` | Height in meters |
| `height_ft` | Height in feet/inches |
| `source` | Source or reference URL |
| `notes` | Additional remarks or context |

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## Dataset Creation

### Curation Rationale

The dataset was created to provide a **standardized reference for comparing scale and proportion** across humans, fictional characters, and physical objects.  
It enables seamless integration into visualization tools, simulations, and educational applications.  

A visualization tool that inspired and demonstrates the value of this dataset is [**Height Comparison**](https://compareheights.org), which turns numeric height data into intuitive, visual charts for exploration and learning.

### Source Data

#### Data Collection and Processing

- Collected from verified anthropometric studies, entertainment databases, and academic resources.  
- Normalized into metric and imperial units for interoperability.  
- Cross-checked for consistency and duplicates removed.

#### Who are the source data producers?

Data was derived from open data repositories, academic research, and publicly available references (e.g., IMDb, sports databases, anime wikis, and NASA records).

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## Bias, Risks, and Limitations

- Height data for fictional characters may be based on estimated or fan-sourced information.  
- Some animal or planetary data are averaged or rounded from scientific references.  
- Users should not treat this dataset as medically or anthropometrically authoritative.  
- The dataset focuses on comparative visualization rather than statistical precision.

### Recommendations

Use this dataset for **relative and educational comparisons**, not for critical biometric or physiological analyses.

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## Citation

**APA:**
> CompareHeights.org. (2025). *Global Height and Scale Comparison Dataset* [Data set]. Retrieved from https://huggingface.co/datasets/compareheights/global-height-scale

**BibTeX:**
```bibtex
@dataset{compareheights2025heightscale,
  title={Global Height and Scale Comparison Dataset},
  author={CompareHeights.org Contributors},
  year={2025},
  url={https://compareheights.org/heights.csv}
}