{"version":"1.0","type":"rich","title":"Fork of D3 Starter","description":"This example presents two interactive charts built with D3 v7: a multi-series line chart tracking three quantitative variables over time, and a combined bar-and-line chart. The line chart uses `d3.line` to plot valueA, valueB, and valueC against year, while the bar chart draws valueA as rectangles via `d3.scaleBand` and overlays valueB as a line with a secondary `d3.scaleLinear`. Data is loaded asynchronously from a CSV file using `d3.csv`. The code also demonstrates axes, legends, and chart titles.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/b36385599d74429b841ccda9b96599e4?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}