{"version":"1.0","type":"rich","title":"Mobility Rate Bubble Chart","description":"This bubble chart shows the mobility rate of California universities, plotting median parent household income against the percentage of students who move from the bottom to the top income quintile. Circle size encodes average cohort size, while color shows the trend of parents in the bottom income bracket. The visualization uses D3.js v5 scales and joins to render SVG circles, with d3-legend for color and size legends, and includes labeled averages and annotations. Data comes from Opportunity Insights' Mobility Report Cards dataset.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/a82ba00a43ad4902af0f1873d0e2995a?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}