[R] install.packages() vs. update.packages()

[Gabor Grothendieck]

Gorjanc Gregor <Gregor.Gorjanc <at> bfro.uni-lj.si> writes:

: 
: Hello!
: 
: Is there virtually any difference if one uses install.packages() or
: update.packages() for updating/upgrading of R packages?

update.packages calls install.packages to do the installation.
Check out the source.