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Ian Johnson

Tour of the D3 ecosystem

Coding / d3js, Ian Johnson, tour

D3.js, a flexible JavaScript library useful for visualization, can feel intimidating at first.…

Analyze, visualize, and communicate data usefully, beyond the defaults.

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February 20, 2025
Making of Defense Against Dishonest Charts

February 19, 2025
Heatmaps and Defining Color Scales

February 13, 2025
Designs for Missing/Changing Data

February 6, 2025
Partial Data Reflections

February 4, 2025
Ridgeline Chart with Color Gradients

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Dot Density Map

Voronoi Diagram

Packed Bubble Chart

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