{"version":"1.0","type":"rich","title":"MAP - CHOROPLETH","description":"A choropleth map visualizes county-level poverty rates across the United States, using a blue sequential color scale and a legend with percentage tick marks. County boundaries are drawn with SVG paths via `d3.geoPath`, colored by data from a CSV file, and overlaid with white state lines from a TopoJSON mesh. The implementation loads both datasets with `Promise.all`, applies the `d3.scaleThreshold` color scheme, and adds interactive tooltips on each county path.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/8ab57e1d9cbb4e7098be13c1ce6e0d64?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}