{"version":"1.0","type":"rich","title":"EdX Viewer Data by Course with Stacked Bars, AY2013","description":"A stacked bar chart displays total video view counts per EdX course for the 2013 academic year, with each bar segment colored by country of origin. The visualization uses the vega-lite-api to encode course on the x-axis, summed video views on the y-axis, and country as the color channel, rendering with vega-lite and vega. Data comes from the MITx-HarvardX Dataverse CSV, fetched via d3.csv. The chart applies a sinebow color scheme and a custom dark config for axis styling and tooltip appearance.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/d7c8255fa8fa4c4f857d1729c764c0f2?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}