{"version":"1.0","type":"rich","title":"Mobility Rate Bubble Chart","description":"This bubble chart visualizes the relationship between median parent household income and mobility rate for California universities, with bubble size representing average cohort size and color indicating income trend changes. The visualization uses D3 v5's scale functions including `d3.scaleSqrt` for bubble sizing and `d3.scaleDiverging` with `d3.interpolatePiYG` for coloring. It leverages the d3-legend library for color and circle legends. The data comes from Opportunity Insights' Mobility Report Cards dataset, filtered to California institutions, with labels highlighting select universities.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/5459de61048e43fab234d27d990dd1da?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}