node-link diagrams vs. adjacency matrix

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node-link diagrams vs. adjacency matrix

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Last edited Nov 25, 2020

Created on Nov 25, 2020

This example contrasts node-link diagrams with adjacency matrices for network data. The visualization loads a real-world edge list from a GitHub-hosted CSV file, parsing connections to build a binary adjacency matrix. Each matrix cell is rendered as a rectangle, with opacity indicating the presence of a link. The visualization highlights paths and edges, and clicking a cell updates a text label to confirm or deny a connection between nodes. The code leverages d3.csv for data loading, d3.select and d3.append for SVG construction, and d3.forceSimulation for the node-link layout.

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