The following link goes to an interactive Shiny interface designed by Y. Xing, illustrating the use of exponential random graph models (ERGMs), as part of Garrett et al. (2018).
https://yanru-xing.shinyapps.io/ARP_Paper_R_code/
Garrett, K. A., R. I. Alcalá-Briseño, K. F. Andersen, C. E. Buddenhagen, R. A. Choudhury, J. C. Fulton, J. F. Hernandez Nopsa, R. Poudel, and Y. Xing. 2018. Network analysis: A systems framework to address grand challenges in plant pathology. Annual Review of Phytopathology 56: 559-580. [link]