{"version":"1.0","type":"rich","title":"question 1","description":"This example visualizes time-series data as a filled area chart, displaying how a numeric value changes over time on a steelblue region. The chart is rendered as an SVG using D3 v7, with a date-parsed CSV dataset loaded via a URL. The code employs D3's `scaleTime`, `scaleLinear`, `area`, `axisBottom`, and `axisLeft` APIs to construct the axes and the area path, which uses a linear curve. The data is fetched and parsed with `d3.csvParse`, and the layout includes a responsive SVG container with labels and legends.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/d6e630df3c9c4113b9e65421ea0aa6f5?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}