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Transforming Data

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NNagateja99
Last edited Jun 14, 2023
Created on Jun 14, 2023
Forked from Hello VizHub

This example analyzes the classic Iris dataset, transforming rows of flower measurements into a concise summary. It displays the average sepal length for each of the three iris species (setosa, versicolor, and virginica) as a formatted JSON text block. The visualization fetches the data from a CSV file, parses it with `d3.csvParse`, and groups the records by species, computing the average value using `flatRollup` and `sum`. The resulting summary is then rendered inside a `<pre>` element, showcasing a simple data aggregation pipeline built with the D3.js framework.

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