I would greatly appreciate your help. I am trying to test whether being under the same chamber of commerce will greatly increase the chance of them forming a network tie and which I have data for 4 chambers for an undirected network. As a beginner, i take reference of the following link
https://rstudio-pubs-static.s3.amazonaws.com/471073_d45a4acd780b4987932dc8fc47c46dd5.html