# Deviation Want to compare two data measures and uncover trends in your reports? This video is for you! Whether you're analyzing previous year costs versus current year actuals or tracking performance changes over time, the **Deviation feature** in Inforiver helps you visualize increases, decreases, and consistency in your data. In this tutorial, you'll learn: * How to enable and customize the Deviation feature * Different comparison modes and display options * Styling and formatting tips for clear insights {% embed url="" %} --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://videos.inforiver.com/analytics+/deviation.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.