# update all installed R packages
update.packages()
update.packages(checkBuilt=TRUE, ask=FALSE)
# download and install the R ape package
install.packages('ape')
Get location of R package library.libPaths() [1] "/home/username/R/x86_64-pc-linux-gnu-library/3.4" [2] "/usr/local/lib/R/site-library" [3] "/usr/lib/R/site-library" [4] "/usr/lib/R/library"
# deinstall package "ape"
remove.packages('ape')
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