{"version":"1.0","type":"rich","title":"Mobility Rate Bubble Chart","description":"This bubble chart shows California universities’ mobility rates against median parent household income, with circle size representing average cohort size and color encoding trends in parental income distribution. Built with D3 v5 and Vue, it uses SVG rendering, `d3.scaleSqrt` for bubble radius, `d3.scaleDiverging` with `d3.interpolateRdYlBu` for color, and d3-legend for legends. Data comes from Opportunity Insights’ Mobility Report Cards dataset, filtered to California institutions.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/99261c5956a84dc6b7f31e49abc503fa?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}