{"version":"1.0","type":"rich","title":"Refectoring a Bar Chart","description":"A bar chart displays the top 10 countries by population from a United Nations dataset loaded via `d3.csv`. React components render the SVG axes and bars, with scales created using `d3.scaleBand` and `d3.scaleLinear`. The chart is refactored into reusable modules for the bottom axis, left axis, and marks, demonstrating a clean separation of visualization logic.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/00bc269768484c26bfb20c46cf486844?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}