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

# DATASETS

- [Datasets overview](https://docs.unitlab.ai/documentation/datasets/datasets-overview.md): Understand datasets as reusable, versioned membership definitions.
- [Create a dataset](https://docs.unitlab.ai/documentation/datasets/create-a-dataset.md): Create a named reusable cohort from validated assets or Data Groups.
- [Dataset versions and history](https://docs.unitlab.ai/documentation/datasets/dataset-versions-and-history.md): Publish immutable snapshots and understand version-first behavior.
- [Attach datasets to projects](https://docs.unitlab.ai/documentation/datasets/attach-datasets-to-projects.md): Connect the intended published membership to a project and inspect created work.
- [Dataset lifecycle and recovery](https://docs.unitlab.ai/documentation/datasets/dataset-lifecycle-and-recovery.md): Duplicate, restore, detach, or retire datasets without losing provenance.