{"version":"1.0","type":"rich","title":"EdX Viewer Data by Course and Country, AY2013","description":"This stacked bar chart shows total video views for HarvardX and MITx courses during the 2013 academic year, with each bar segmented by viewer country using a sinebow color scheme. The visualization uses vega-lite-api with d3.csv to load course and country data from the MITx-HarvardX Dataverse, then renders interactive tooltips via vega-tooltip. Bar height encodes summed video views per course, sorted descending, while the configuration adjusts axis styling and label font sizes for readability.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/31c1fa7614154534b1114934ca24d94e?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}