Tree

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Last edited Apr 3, 2024

Created on Apr 3, 2024

This interactive tree visualization displays the hierarchical relationships within Hospital ER data, using a radial layout to reveal parent-child connections. Built with D3.js v7 and React, it renders nodes as colored rectangles and circles, with each node’s size and color varying by depth. The code loads a remote CSV, stratifies it into a tree using `d3.stratify()`, positions nodes via `d3.tree()`, and draws links with `d3.linkVertical()`. Node coordinates come from the tree layout, with labels showing ER names.

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A bare minimum HTML page demonstrating use of CSS and JavaScript.

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