{"version":"1.0","type":"rich","title":"Tutorial 4_Bubble chart","description":"This bubble chart visualizes the relationship between average horsepower, torque, and highway MPG across 30 car makes. Each circle’s x-position maps horsepower, its y-position maps torque, and its size encodes highway MPG, with color distinguishing manufacturer. Built with D3.js v7, the SVG chart includes interactive tooltips on hover, a legend, and axis labels. Data is loaded from a CSV file, and animated transitions are used for tooltip opacity.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a6d220b45a374bcc889d3fdbb7ba9454?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}