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Chord Visualization

By Google
Chord diagrams are an effective way to visualize the relationship between two items within a larger set.
Chord diagrams are an effective way to visualize the relationship between two items within a larger set.

Version

v1.0.4

Release Notes

Category

Plug-ins

Overview

Install this plug-in for free by importing the project(s) from the GitHub repository linked at the top of the listing.

A chord diagram represents the flows and connections between multiple entities (called “nodes”, represented as dimensions in Looker). Each entity is represented by a specific segment on the outer part of the circle. “Arcs” are drawn between each entity. The size of the arc is proportional to the weight of the flow. In the example below, we can see the flow of users by gender over the course of several years. The first dimension represents the starting point for each arc. In the example below, “gender” is the first dimension, “created_year” is the second dimension, and “count” is the measure. Other examples of chord diagrams have been used to depict Uber trips within San Francisco and customers switching between various mobile phones brands. This visualization requires two dimensions and one measure.

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