{"version":"1.0","type":"rich","title":"act7-ques2","description":"This example displays an area chart of total insurance charges by age, using data from a CSV file loaded via `d3.csv`. The visualization aggregates charges with `d3.rollups` and `d3.sum`, then renders the result as a smooth area path generated by `d3.area()`, with axes from `d3.axisBottom` and `d3.axisLeft`. The SVG chart includes labeled axes and a title, styled with steelblue strokes and skyblue fills.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/6015b836ee6f4e0b82f59913098867ad?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}