# Page Not Found

The URL `applying-actions/data-cleaning/flatten` does not exist.

You might be looking for one of these pages:
- [Flatten](https://docs.acho.io/acho-studio/data-prep-projects/applying-actions/data-cleaning/flatten.md)
- [Cleanse](https://docs.acho.io/acho-studio/data-prep-projects/applying-actions/data-cleaning/cleanse.md)
- [Deduplicate](https://docs.acho.io/acho-studio/data-prep-projects/applying-actions/data-cleaning/deduplicate.md)
- [Replace](https://docs.acho.io/acho-studio/data-prep-projects/applying-actions/data-cleaning/replace.md)
- [Change Type](https://docs.acho.io/acho-studio/data-prep-projects/applying-actions/data-cleaning/change-type.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.acho.io/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.acho.io/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/acho-studio/data-prep-projects/applying-actions/data-cleaning/flatten.md`)
- Use `Accept: text/markdown` header for content negotiation