{"version":"1.0","type":"rich","title":"A7 Multi-Line Chart","description":"This multi-line chart visualizes average annual flight delays across four airline categories using CSV data from a GitHub-hosted airlines dataset. The visualization employs D3.js v7 with SVG rendering, displaying four distinct colored lines with interactive circle markers. The chart uses d3.scaleLinear, d3.line, and d3.axisBottom, while implementing hover-based tooltips to reveal specific year and delay values. ColorBrewer provides the categorical color scheme for distinguishing between airline groups.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/99224314a4a64a80b438bec09dd63af8?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}