{"version":"1.0","type":"rich","title":"Đồ án thực hành","description":"This dashboard displays ten interactive charts analyzing a supermarket sales dataset. It shows the average customer rating per city as a bar chart, and visualizes the percentage distribution of payment methods. Built with D3.js v4 and raw JavaScript, the code uses `d3.nest()`, `d3.scaleLinear()`, and `d3.scaleBand()` to aggregate and render data. The SVG charts include tooltips on mouseover, and data is loaded from CSV files like `supermarket_sales.csv` and `city.csv`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/cc5387bd6f61424981ccade6a3453ef5?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}