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Expert Data Visualization

You're reading from   Expert Data Visualization Advanced information visualization with D3.js 4.x

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781786463494
Length 394 pages
Edition 1st Edition
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Author (1):
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Jos Dirksen Jos Dirksen
Author Profile Icon Jos Dirksen
Jos Dirksen
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Table of Contents (10) Chapters Close

Preface 1. Getting Started with D3 2. Basic Charts and Shapes FREE CHAPTER 3. Working with Hierarchical Data 4. Visualizing Graphs 5. Working with Geo Data 6. Visualizing Streaming Data 7. Voronoi Diagrams and Heatmaps 8. Custom Shapes and Paths and Using a Brush Selection 9. ES6, TypeScript, and External D3.js Libraries

Matrix diagram

For the last visualization of this chapter, we're going to create a matrix diagram. With a matrix diagram, we visualize the graph of nodes as a single matrix. For this example, we'll visualize the most important Simpsons characters as they appear together in a scene. The result that we'll create is this:

This visualization provides the following features:

  • It shows a matrix where the intensity of the color reflects how often characters appear together in a location.
  • When you hover you mouse, it changes the opacity of the row and column to better identify the two characters the value applies to.
  • When you click on the visualization, it changes sorting order. By default, the sort order is on the total amount of appearances a character has. If you click, it changes to sort on the number of unique characters the character appears with.
  • At the bottom, the value of a specific matrix cell...
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