I need help with RStudio/RMarkdown/Igraph. How to create a Igraph

Hi!

To help us help you, could you please prepare a reproducible example (reprex) illustrating your issue? Please have a look at this guide, to see how to create one:

Also, changing your topic title to something more related to your actual issue might help you attract more attention, as I understand it, your actual question is how to create a network using igraph, right?