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Chord Diagram

Product Line Sales by Country
Music Sales by Gender

Chord diagrams are useful for exploring relationships between groups of entities.  They have been heavily adopted by the biological scientific community for visualizing genomic data, but they have also been featured as part of infographics in numerous publications including Wired, New York Times, and American Scientist.

Cool Examples Around the Web

Wired Magazine - chord diagram analyzing the relationships between characters in the TV series Lost.

American Scientist - chord diagram featured on the cover illustrating the sequencing of the dog genome.

New York Times - chord diagram illustrating the names dropped during presidential debates throughout the Democratic and Republican debates leading up to the 2008 election.

Get Started

Step 1: Download the plugin

Step 2: Follow the simple instructions for adding the plugin to your existing Pentaho BA Server
Step 3: Get Creative - explore your data, build cool stuff, amaze your friends and co-workers!

Working With Chord Diagrams

 
  1. Drag one or more attributes into the "Item 1" and "Item 2" shelves in the layout panel
  2. Drag the measure you want to use for analyzing the relationship between items into the measure shelf


  • Hover over an attribute to highlight the relationships for that member
  • Click to select one or more attributes to use for filtering
  • Double-click to drill down on hierarchical dimensions

Tell Us What You Think

We're having lots of fun experimenting with various emerging visualization technologies and we would love to get your feedback.  Here are a couple of ways you can share:

  • Update the Chord Diagram enhancement ticket
    • Post feedback about additional ideas for improvements
    • Get out and vote!  All of the visualizations we are sharing are prototypes which we can consider for inclusion in future GA releases of the Pentaho suite.  Voting for an enhancement is a great way to influence the priority in which we 'product-ize' these visualizations
  • Tweet about it - got feedback or a cool example you've created and want to share? Tweet your comments or screenshots to #12DaysOfViz

Known Limitations

  • This visualization is based upon D3, which may not work with older versions of Internet Explorer
  • Tooltips in Chrome are applying the wrong format mask to percentages (ie 7688973%)
  • Tooltips in Firefox don't work at all

This documentation is maintained by the Pentaho community, and members are encouraged to create new pages in the appropriate spaces, or edit existing pages that need to be corrected or updated.

Please do not leave comments on Wiki pages asking for help. They will be deleted. Use the forums instead.

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