Search notes:

R function: install.packages

Installs a package from CRAN. 
install.packages("calibrate")
install.packages("FNN")
install.packages('ggplot2', dependencies=TRUE)
# install.packages("quantmod")
install.packages("RODBC")
install.packages("rgl") #      , repos="http://R-Forge.R-project.org")
install.packages("scatterplot3d")
Github repository about-r, path: /functions/install.packages.R

See also

R function: installed.packages
Index to (some) R functions
/usr/local/lib/R/site-library, /usr/local/lib/R/site-library/00LOCK-packagename

Index