# install_version

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##### Install specified version of a CRAN package.

If you are installing an package that contains compiled code, you will need to have an R development environment installed. You can check if you do by running has_devel.

##### Usage
install_version(package, version = NULL, repos = getOption("repos"),
type = getOption("pkgType"), ...)
##### Arguments
package
package name
version
If the specified version is NULL or the same as the most recent version of the package, this function simply calls install. Otherwise, it looks at the list of archived source tarballs and tries to install a
repos
character vector, the base URL(s) of the repositories to use, e.g., the URL of a CRAN mirror such as "http://cran.us.r-project.org". For more details on supported URL schemes see url.
type
character, indicating the type of package to download and install. Will be "source" except on Windows and some OS X builds: see the section on Binary packages for those.
...
Other arguments passed on to install.
Other package installation: install_bitbucket, install_github, install_git, install_svn, install_url, install, uninstall