{"version":"1.0","type":"rich","title":"Mobility Rate Bubble Chart","description":"This bubble chart visualizes mobility rates for California universities, plotting median parent household income against the percentage of students from the bottom income quintile who reach the top. The size of each circle reflects the average cohort count, while color indicates the trend in the share of parents from the bottom 40%.\n\nThe visualization is built with D3.js v5 and SVG, using `d3.scaleSqrt` for bubble radius, `d3.scaleDiverging` with `d3.interpolateTurbo` for color, and the d3-legend library for legends. Data comes from Opportunity Insights' Mobility Report Cards, filtered to California institutions and sorted by cohort size for proper layering.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/101ed5b8a0cb431da33b566d157313f8?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}