[R] install packages

$ vi .Rprofile
local({
  r <- getOption("repos")
  r["CRAN"] <- "https://cran.r-project.org/"
  options(repos = r)
})

$ R

 

.libPaths()

[1] "/home/user/R/x86_64-pc-linux-gnu-library/4.1"
[2] "/usr/local/lib/R/site-library"
[3] "/usr/lib/R/site-library"
[4] "/usr/lib/R/library"

 

install.packages('package_name')

install.packages(c('p1', 'p2', 'p3'))

 

remove.packages(c('p1', 'p2', 'p3'), lib = '/usr/lib/R/library')

 

update.packages()