{"version":"1.0","type":"rich","title":"Total Subscriber of Each Subject","description":"This bar chart displays the total number of subscribers for each Udemy course subject, highlighting one selected subject in red. A dropdown menu allows users to choose which subject to emphasize, such as Business Finance or Web Development. The visualization uses React components, D3 v5 scales (scaleBand and scaleLinear), and SVG rendering. Data is loaded from a CSV file using d3.csv, aggregated with d3.nest and d3.sum, and formatted with d3.format.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/b6aa01710886437ab9660a0c16d33398?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}