What is a Tree Diagram?
Learn about tree diagrams, their layouts, and how they use data.
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The tree layout
The “Tree layout” is not a distinct type of diagram, per se. Instead, it’s representative of D3’s family of hierarchical layouts.
It’s designed to produce a “node-link” diagram that lays out the connection between nodes in a method that displays the relationship of one node to another in a parent-child fashion.
For example, the following diagram shows a root node (the starting position) labeled “Top Node,” which has two children (Bob: ...