After performing a local build, I noticed that the following R packages were required, but not specified on the "Local Development Configuration" wiki:
Furthermore, the benchmark package listed in the dependencies seems to be archived on CRAN.
Lastly, I think it might be nice to give wiki readers an install.packages() line they can copy to their R environment, similar to what's provided with the sudo apt-get install ... lines. Consider including something like
install.packages( c("Rcpp", "RcppEigen", ...) )
devtools::install_github( "RcppCore/RcppNT2" )
devtools::install_github( "dcdillon/RcppHoney" )