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Tuesday, December 6, 2022

How to Install R and RStudio on Mac – MUO – MakeUseOf

You can’t install R or RStudio directly from the Mac App Store, but there are other ways to go about it.
Installing applications on the Mac is easy. All you have to do is head to the App Store, search for the app you are looking for and install it after entering your Apple credentials.
That said, if you are looking to install R and RStudio using this methodology, you might have hit a roadblock as these applications are not available on the App Store.
So how do you download these applications on your Mac? Well, let's find out.
If you got into the R ecosystem recently, you might wonder why you need both R and RStudio to run an R script.
You see, to run a program that uses the R language, your system needs to understand the code you have written. To do this, it needs a compiler. This compiler is responsible for converting the script to machine-level code that the CPU can run. This task of compiling your code is done by R.
RStudio, on the contrary, is an Integrated Development Environment(IDE) that provides users with a graphical interface, debugging tools, and automation systems that help users write code with ease.
The Mac you use can be powered by Apple Silicon or Intel processors. Based on the hardware, you need to select the right version of R to get the best performance. Although Macs powered by Apple Silicon can run applications created for Intel hardware using Rosetta, their performance is not as good compared to apps running natively.
Therefore, if you have a Mac which uses Apple Silicon, you can head to The R Project's official site and install the arm64.pkg file, which is designed for Apple Silicon.
On the other hand, if you own a system that uses Intel hardware, you can download the .pkg file at the top instead. Also, if you own an older mac, you can look for the operating system on your Mac and install the package which best suits your macOS.
Once you know which package is right for your machine, you can follow the steps given below to get R on your Mac:
In most cases, the R installer does a good job of installing the R application on your system, but sometimes, there can be certain issues with the installation, which can cause problems when you run your R scripts.
Therefore, its best to check if your R installation is proper, and you can do the same by following the steps given below:
Now that we have the R compiler on our Mac, it can run R scripts easily. That said, the R Console, which comes with the R application, does not offer debugging and advanced auto-complete features that make coding easy.
Therefore, to get the best coding experience while writing R scripts, you can download the RStudio IDE. To do the same, you can follow the steps given below:
If you are a developer, you know that the Terminal on your Mac is powerful. That said, package managers like Homebrew make the Terminal a productivity workhorse.
Therefore, if you don't have Homebrew on your system, you should download it by following our guide on installing Mac apps in Terminal using Homebrew.
Once you have Homebrew in place, you can download both R and RStudio by firing commands in the Terminal app.
To install R using Homebrew, open the Terminal on your Mac and enter the following command:
Once installed, you can run the following command to install RStudio on your system:
Now that you have installed R and RStudio, you can start creating scripts that can analyze tons of data in a matter of seconds.
That said, if you want to learn R, there are plenty of places on the internet where you can do it for free. But remember, there are plenty of other programming languages you can learn as well.
A tech enthusiast, driven by curiosity. A bibliophile who loves to travel. An Electronics and Communication Graduate, trying to simplify technology for everyone.
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