Loading Data

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Last edited Jan 19, 2023

Created on Jan 19, 2023

Forked from Mouse Follower That Changes Color

This example demonstrates the process of loading and parsing external data in D3.js, using the classic Iris flower dataset. The visualization fetches a CSV file with `fetch`, parses it with `d3.csvParse`, and converts numeric columns from strings to numbers. Once the data arrives, the application logs the parsed dataset to the console and updates its state to trigger a re-render, illustrating a unidirectional data flow pattern with D3 v7 and a simple state management approach.

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A circle that follows the mouse using unidirectional data flow.

MIT Licensed

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