{"version":"1.0","type":"rich","title":"A5 -D3 Bubble Chart","description":"This D3.js v7 bubble chart visualizes U.S. states, plotting total area on the x-axis, state names on the y-axis, and population as bubble radius. Color encodes the century of state admission (1700s, 1800s, 1900s). Built with SVG, it uses d3.scaleLinear, d3.scaleBand, and d3.scaleOrdinal. Data is loaded from a CSV via d3.csv. Interactive tooltips appear on hover.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/e97f76af429e4043bfab527df61bece9?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}