Here are some places where you can look for information about brainGraph - Graph Theory Analysis of Brain MRI Data in R:

Homepage
brainGraph - Graph Theory Analysis of Brain MRI Data in R has a homepage that can be found at https://github.com/cwatson/braingraph/
Main Documentation
The main documentation for brainGraph - Graph Theory Analysis of Brain MRI Data in R can be found here.
Wiki
brainGraph - Graph Theory Analysis of Brain MRI Data in R has a wiki that can be found here.