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How to Visualize Hierarchical Graphs in R, with ggraph and tidygraph

Network graphs are a good way to find structure and relationships within hierarchical data. Here are several ways to do it.

Working with network graph data requires different reasoning and tools than working with tabular data. In tabular data, each each row in the table represents a feature, while in graph data two types of features exist: the nodes of the network, and the edges, which describe the relationships between the nodes.

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About the Author

Maarten is a data journalist and data visualization consultant from Belgium. He likes maps, ggplot and a good story.