DV4

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✓ Published0🌍 Public

Last edited Dec 8, 2017

Created on Dec 8, 2017

This interactive choropleth map displays weekly influenza case counts across French regions for 2014. A slider lets viewers step through 52 weeks, updating the color of each region via a quantized scale based on the current week’s data. The visualization uses D3 v4 with `d3.geoConicConformal` for the map projection and `d3.geoPath` to render GeoJSON regions, while a tooltip shows exact values on hover. Data comes from a CSV file with per-region weekly counts, which is merged with regional boundaries from a separate JSON file.

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