> For the complete documentation index, see [llms.txt](https://tudien.dlabsproduct.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://tudien.dlabsproduct.com/r.md).

# R

- [Release Version](https://tudien.dlabsproduct.com/r/release-version.md)
- [Retention Rate](https://tudien.dlabsproduct.com/r/retention-rate.md)
- [Revenue Model](https://tudien.dlabsproduct.com/r/revenue-model.md)