Parameter-Driven Reference Lines in Tableau

By: Oliver Linley

Ollie lives in Cape Town, South Africa, and is passionate about all things data - and all things Tableau! If you have a question, feel free to reach out to him directly via email.

A reference line is a useful worksheet element. It’s a simple tool - just a line based on a single value that we want to reference in our views.

But, did you know that you can change the value of a reference line using a parameter?

An adjustable reference line turns your static reference line into an interactive tool that you and the end-users of your dashboards can use in a variety of ways. You might run basic forecasts, explore outcomes using 'what if" scenarios, or change a comparison threshold.

Ready to learn how you can build a reference line which can be adjusted with a parameter? Check out this video!

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