{"version":"1.0","type":"rich","title":"Interactive Color Legend with EdX Viewer Data","description":"An interactive scatterplot displays video plays versus active days for EdX users in 2013, with each circle’s color representing a course. Hovering over the ordinal color legend fades non-matching points and overlays a highlighted subset. Built with React and D3 v5 (scaleLinear, scaleOrdinal), the SVG renders axes via custom components and circles with native HTML titles for tooltips. Data originates from the MITx-HarvardX Dataverse repository.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/2cb6612026f34b938e73ea9aae2a859d?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}