{"version":"1.0","type":"rich","title":"Activity 6 task 4","description":"This example loads the classic Iris flower dataset from a CSV file and computes the average sepal length for each of the three species using D3’s `flatRollup` and `sum` functions. The results are displayed as a formatted JSON summary inside a `pre` element in the browser. Built with D3 v7, the visualization demonstrates asynchronous data fetching with `fetch` and `csvParse`, as well as the use of local ES6 modules for organizing the code.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/5aa1fbebc3ef4c40bd7a5faad77ccd20?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}