Pierre Ripoll provides several ways to visualize periodicity using animation. Moving dots, rotating spheres, concentric circles, oh my. He uses D3.js and it’s an Observable notebook, so you can see what’s going on under the hood.
Visualizing periodicity with animations
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Timeline of California Wildfires
The wind was blowing smoke and ash from wildfires further up north from where I live. The sky turned an eerie orange. I wondered about past fires and made the chart below.
Data Underload #8 – Unsolicited
A few months back, the Caltrans Performance Measurement System (PeMS) …