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Power BI Custom Visuals - Chord

Posted Jul 28, 2016 by Devin Knight

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In this module, you will learn how to use the Chord Power BI Custom Visual. Chord diagrams show directed relationships among a group of entities using colored lines (chords); this allows for an easy representation of correlating data. If you want to learn more about Power BI Custom Visuals, view my previous blog posts.

Module 09 – Chord

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Key Takeaways

  • A chord diagram is a graphical method of displaying the inter-relationships between each data category
  • A data category can have a chord that connects to other categories or back to itself
    • When a chord connects to another category it means that values have changed from one category to another. 
    • The color of the chord indicates which category was more dominate.
    • When a chord connects back to itself it looks like a camel hump and shows that there was no change

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This shows that a lot of Samsung users remain Samsung customers, but it also shows that Apple is taking a portion of their market share.

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Selecting a data category will also cross filter any other visualizations in the report.

  • Under the Format paintbrush there are some options that are helpful with customizing the appearance of the Chord chart.
  • The Data colors section gives you the ability to change the Default color values on the chart.  You can also turn on Show all and provide specific colors you would like to see on each category of the Chord.

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  • The Axis property is a simple one. This allows you turn on/off the data labels on the Chord Axis.

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  • Next, in the Labels section you can define the data category labels Color and Text size.

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  • In addition to these properties you have a set of settings that appears on every visual to adjust the background color, add a border around the visual and lock the aspect ratio.

Find Out More

You will always be able to find this video module and advanced viewing of future modules on the Pragmatic Works On Demand Training platform.

On-Demand Training

Tagged With: Power BI, Power BI Custom Visuals


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