{"version":"1.0","type":"rich","title":"Assignment2_Q2_AreaChart_Harini","description":"This area chart displays the share of GDP contributed by U.S. school revenue sources from 1890 to 2010, stacking Local, State, and Federal components using a d3.stack() layout. The visualization uses d3.scaleTime and d3.scaleLinear for axes, d3.area() for the stacked layers, and d3.schemeCategory10 for color encoding. Hovering over any layer reveals a tooltip with year, individual source percentages, and total revenue. Data comes from a remote CSV file, rendered as SVG with D3 v7.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/44b48388a0564a839b86b820e4024bb3?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}