1.3 How can R for Mac OS X be obtained and installed? R is available on CRAN in the form of an Installer package containing the R framework and the R.APP GUI. The package is usually named R.pkg with an optional version number. The installation is done by double-clicking on the Installer package.

Share • LinkedIn • Facebook • Twitter 2 When was the last time you update your R and RStudio? I installed RStudio and R a year ago, and never update it since then. Today I just noticed I cannot install new R packages because of my old R version. So I explore some ways to update R and would like to share with someone who is also looking to update R on RStudio. The problem RStudio and R cannot update on their own because some packages may not work after switching to the new version (You can still if something went wrong though). After you install the new version, the previously installed packages will not go to next version. So it is required extra procedures to move the packages.

Here are 3 ways you can update R version in RStudio. Note that we need to move the install R packages, which I will show how at the end. 3 Solutions to update R on RStudio Solution 1) Manually install The first method is to download a new version of R from.

Then restart your RStudio. The new R version will be loaded automatically.

The new R version appear right after I install R and restart RStudio Solution 2) Windows only – use installr is the R package which helps install and update software. The R code you will need for updating R is: (credit goes to for the code) install.packages('installr') library(installr) updateR() You can find the tutorial on how to use installr to update RStudio on. Hvisual studio for mac. Solution 3) Mac only – use updateR Similar to installr, is the package to help updating R on Mac OS.

The R code you will need is these 5 lines: (credit goes to for the code) install.packages('devtools') #assuming it is not already installed library(devtools) install_github('andreacirilloac/updateR') library(updateR) updateR(admin_password = 'Admin user password') You can find in-depth tutorial on how to use updateR package. How to move the previously installed R packages This is the instructions for Mac OS user (who used solution 1 or 3 above). For Windows user, installr package will do this for you (credit goes to and ): 1. Move all folders from your old R version to new R version. Free mac app for downloading youtube videos.

/Library/Frameworks/R.framework/Versions/x.xx/Resources/library Replace x.xx with the old and new R version at a time. Note that you have to move only the packages that are not currently in the destination folder (because those are the base packages, and you don’t want to ruin them). But if you already did replaced everything, the next step will solve this for you. If you cannot find the proper path, you can run this command to check: installed.packages() 2.