Gist 84ef6eb7d19cde664dfb4f461ddce3d3
A choropleth map of French regions colors each region by the sum of influenza case counts across five dates in late 2014, sourced from the `grippe.csv` file. The map uses `d3.geo.conicConformal` projection and `d3.geo.path` to render the GeoJSON regions, while `d3.scale.quantize` assigns a green color scale. Data values are injected into the GeoJSON features by matching region names, then applied as fill colors.
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