{"version":"1.0","type":"rich","title":"Bar Chart","description":"This bar chart displays the average horsepower of car models grouped by brand, with each brand represented as a vertical bar. It uses D3.js v7 to load a CSV dataset from a GitHub repository via `d3.csv`, aggregate values with `d3.rollup` and `d3.mean`, and render the visualization with `d3.scaleBand` and `d3.scaleLinear` scales. The chart includes rotated axis labels, hover effects that change bar color to orange, and explicit axis titles for Brand and Horsepower.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/50211bd4283f4c26bf7b1df9ebb52302?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}