{"version":"1.0","type":"rich","title":"Bubble Chart - Cereal","description":"This heatmap visualizes billionaire wealth by region and wealth type, using a linear color scale from white to steelblue to represent total wealth worth in billions. The tooltip reveals each cell’s exact value on hover. The code employs d3.csv to load data, d3.scaleBand for axes, d3.scaleLinear for color encoding, and SVG rectangles with mouse event handlers for interactivity. The dataset, sourced from the CORGIS Billionaires Dataset, is grouped by region and wealth type in the CSV.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/0f92202987784d61baa83e0786715db2?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}