loading_data_NH
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A circle follows the mouse within a unidirectional data flow. The visualization loads the Iris dataset from a CSV file, parses it using `d3.csvParse`, and then renders the data. The example demonstrates a simple state management pattern where a `setState` callback triggers a re-render of the visualization via the `viz` function. The chart uses D3 v7 and is built with an unidirectional flow, where the state is passed to the rendering function. The mouse-following circle is the sole visual element.
AI-generated descriptionA circle that follows the mouse using unidirectional data flow.
MIT Licensed