{"version":"1.0","type":"rich","title":"Assignment 5: line chart with D3","description":"This line chart visualizes monthly airline delay counts from June 2003 to July 2016, comparing three delay types: Carrier, Late Aircraft, and National Aviation System delays. The chart uses a time scale for the x-axis spanning over 13 years, with data points horizontally offset within each month to reduce overlap. Built with D3 v7, it loads CSV data via `d3.csv`, parses dates with `d3.timeParse`, and renders SVG paths using `d3.line` with monotone curve interpolation. Interactive tooltips appear on mouseover, and axes use `d3.axisBottom` with custom month formatting.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/4c348e788a7e486eaf5780c4014c8089?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}