Getting Started with Network Graphs in R
Add the vertices. Connect them with edges. Repeat as necessary.
Graph theory is an entire branch of mathematics, but it’s not too complicated to get started with drawing network graphs in R. The igraph R package, which is also available in Python and C, takes care a lot of the work, so that you can mostly focus on adding edges and vertices.
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About the Author
Nathan Yau is a statistician who works primarily with visualization. He earned his PhD in statistics from UCLA, is the author of two best-selling books — Data Points and Visualize This — and runs FlowingData. Introvert. Likes food. Likes beer.
