The rest of the loaded packages are for data visualization only (some nice colors in graphs). To plot a pathway, we can model the pathway as a network, or a "graph" in graph theory. In mathematics, a ...

Written by [Pedro Concejero](https://www.linkedin.com/in/pedroconcejero) based on previous work by [Carlos Ortega](http://www.qualityexcellence.es/) for [Madrid R ...