Mac Help

R install notes for Macintosh Users

The following notes are for installing R, Emacs, and RStudio on Mac OSX 10.11 (El Capitan). 

R install notes for Macintosh users

R for Mac will work best if the user first installs:

1. XCode (from the App Store)

2. XQuartz

3. R itself

Applies to: Mac OSX 10.11

Download R from, follow the
Mac Link

After downloading the file named R-3.3.0.pkg, double-click
and the installer walks us through the process.

4. After R is installed, it should be ready to go.

The best way to start R is to find an R file and open it with R.  Launching R from the Applications folder will not usually be quite right because R will not know the starting directory of the R folder.  If does not open with the R file, then some other application is configured to open R files by default.  This can be altered by using the right-click "open with", then other, you can choose another application.  This can be permanently reconfigured by checking the "always open with" box.

Emacs install notes for Macintosh users.

Applies to: Mac OSX 10.11

We recommend the Emacs install from Vincent Goulet (Note, there may be a newer version).

Locate and double click the downloaded file: Emacs-24.5-1-modified-7.dmg. When the window opens, drag and drop the Emacs icon into the Applications folder.

Browse to your Applications folder and open Emacs.

If a dialog box presents itself asking if you are sure you want to open Emacs, click "Open".

If you get an error that says: "Emacs" is damaged and can't be opened. You should move it to the trash", navigate to the Security and Privacy settings under System Preferences and click: "Allow apps downloaded from: anywhere" (You may have to click the "lock" icon on the bottom left hand corner to type in your password). Then try reopening the Emacs.

RStudio install notes for Macintosh users

Head to where"> where you can install a free (open source) version of the desktop software. Download the software.

Double click the download file (.dmg) and drag the RStudio app into the applications folder (as is shown in the Emacs install steps above).




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