> For the complete documentation index, see [llms.txt](https://docs.finngen.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.finngen.fi/working-in-the-sandbox/working-with-phenotype-data.md).

# Working with Phenotype Data

#### Topics of this section:

* [Variant PheWas](/working-in-the-sandbox/working-with-genotype-data/variant-phewas.md)
* [How to select controls for your cases](/working-in-the-sandbox/working-with-phenotype-data/how-to-select-controls-for-your-cases.md)
* [Using the R libraries to look at Phenotype data](/working-in-the-sandbox/working-with-phenotype-data/using-the-r-libraries-to-look-at-phenotype-data.md)
* [How to check case counts from the data](/working-in-the-sandbox/working-with-phenotype-data/how-to-check-case-counts-from-the-data.md)
* [Creating your own user-defined endpoint](/working-in-the-sandbox/working-with-phenotype-data/creating-your-own-user-defined-endpoint.md)