How I Made That: Animated Square Pie Chart
Also known as waffle charts. Using animated transitions between values, you can allow for comparisons between categories.
I’m a fan of element-based visualization methods, because they tend to shorten the path from abstract data back to reality. So when I wanted to compare percentages across various demographics, I went with the square pie chart instead of stacked bars or standard pie charts.
I’ve made these in R, but this was the first time I made them using d3.js. I wanted animated transitions when you switched between different groups of people. Here’s how I made it.
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