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Last edited Apr 18, 2019

Created on Apr 18, 2019

This interactive donut chart displays survey data across gender, age, and race categories from a local JavaScript dataset. Three buttons let users switch between datasets, triggering a new pie chart with animated arc transitions using `d3.pie`, `d3.arc`, and `transition.attrTween`. The SVG rendering applies category-specific colors via a lookup function and shows tooltips on hover using D3 mouse events. SVG paths are drawn with a donut inner radius, and the chart initializes with the gender data on load.

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