InstallOldPackages function

Install old versions of R packages.

InstallOldPackages installs specific R package versions.

InstallOldPackages(pkgs, versions, oldRepos = "http://cran.r-project.org",
  lib = NULL)

Arguments

• pkgs: character vector of package names to install.
• versions: character vector of package version numbers. to install. The order must match the order of package names in pkgs.
• oldRepos: character name of repository to download the packages old package versions from. Default is oldRepos = "http://cran.r-project.org".
• lib: character vector giving the library directories where to install the packages. Recycled as needed. If NULL, defaults to the first element of .libPaths().

Details

Installs specific R package versions.

Examples

## Not run:

# Install old versions of the e1071 and gtools packages.
Names <- c("e1071", "gtools")
Vers <- c("1.6", "2.6.1")
InstallOldPackages(pkgs = Names, versions = Vers)
## End(Not run)

See Also

install.packages and download.file