> For the complete documentation index, see [llms.txt](https://docs.infotopics.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.infotopics.com/showmemore/features/ridgeline-plot/data-structure.md).
# Data structure
A ridge line plot requires three key components to create the diagram:
* **Series**: This is often a date, providing the temporal context for the data.
* **Category**: This represents different groups or levels within your data.
* **Measure**: This is the numerical value that will be depicted across the ridges.
By combining these elements, the plot displays how the measure varies over the series for each category.
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