![]() If you know the URL to the package version you need to install, you can install it from source via install.packages() directed to that URL. Install_version("ggplot2", version = "0.9.1", repos = "") Installing an older package from source The simplest method is to use the provided install_version() function of the devtools package to install the version you need. Here are instructions on several methods you can use: Using devtools to install older package versions You may also need to use an older version of a package if you are deploying an application to a location such as shinyapps.io, Shiny Server, or RStudio Connect where the environment may not allow you to run the latest version of the package. You may need to install an older version of a package if the package has changed in a way that is incompatible with the version of R you have installed, or with your R code. Why install an older version of a package? ![]()
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