> For the complete documentation index, see [llms.txt](https://docs.tabula.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tabula.io/data-transformation/formulas/window-functions.md).

# Window Functions

Window functions are not supported in expressions, but you can use node [**Rolling Functions**](broken://pages/3SoAz0W8ZxvXgh3sgdQ4) for these purposes (supports Min, Max, Average, Rank, Sum, and Count window functions)