View the R interface documentation online
From Github:
remotes::install_github("https://github.com/roualdes/bridgestan", subdir="R")
From the downloaded repository:
# from folder R/
install.packages(getwd(), repos=NULL, type="source")
From the R-Multiverse mirror:
install.packages(
"bridgestan",
repos = c("https://community.r-multiverse.org", getOption("repos"))
)