How to Install R Studio on Windows and Linux?

13 Oct, 2021
R programming language is a language and free software environment, available under GNU license, supported by R Foundation for Statistical Computing. The language is most widely known for its powerful statistical and data interpretation capabilities. 
To use R language, you need the R environment to be installed on your machine, and an IDE (Integrated development environment) to run the language (can also be run using CMD on Windows or Terminal on Linux). 
It is a powerful IDE, specifically used for the R language.
Provides literate programming tools, which basically allow the use of R scripts, outputs, text, and images into reports, Word documents, and even an HTML file.
The use of Shiny (open-source R package) allows us to create interactive content in reports and presentations.
To Install R Studio on windows we will follow the following steps.
Step 1: First, you need to set up an R environment in your local machine. You can download the same from r-project.org. 
Step 2: After downloading R for the Windows platform, install it by double-clicking it.  
Step 3: Download R Studio from their official page. Note: It is free of cost (under AGPL licensing).  
Step 4: After downloading, you will get a file named “RStudio-1.x.xxxx.exe” in your Downloads folder. 
Step 5: Double-click the installer, and install the software. 
Step 6: Test the R Studio installation  
Search for RStudio in the Window search bar on Taskbar.
Start the application.
Insert the following code in the console.
Input  : print('Hello world!') 
Output : [1] "Hello world!"
Step 7: Your installation is successful.  
Installing R Studio on Ubuntu has steps similar to Windows: 
Step 1: Open terminal (Ctrl+Alt+T) in Ubuntu.
Step 2: Update the package’s cache. 
sudo apt-get update
Step 3: Install R environment. 
sudo apt -y install r-base
Check for the version of R package using
R --version
Step 4: Check R installation by using the following command. 
user@Ubuntu:~$ R 
(Note that R version should be 3.6+ to be able to install all packages like tm, e1071, etc.). If there is issue with R version, see the end of the post. 
Step 5: Exit the terminal.
Step 1: Open Ubuntu Software Center.
Step 2: Search for r-base.
Step 3: Click install. 
Step 1: Install gdebi package to install .deb packages easily.
sudo add-apt-repository universe
sudo apt-get install gdebi-core
Step 2: Go to R Studio downloads and select the latest *.deb package available under Ubuntu 18/Debian 10.
Step 3: Navigate to the Downloads folder in the local machine.
$ cd Downloads/
$ ls
 rstudio-1.2.5042-amd64.deb
Step 4: Install using gdebi package.
sudo gdebi rstudio-1.2.5042-amd64.deb
Step 5: Run the RStudio using Terminal
user@Ubuntu:~/Downloads/ $ rstudio 
Alternatively, use the menu to search for Rstudio.
Step 6: Test the R Studio using the basic “Hello world!” command and exit.
Input  : print('Hello world!') 
Output : [1] "Hello world!"
Alternatively, RStudio can be installed through Ubuntu Software as well, but using the above approach generally guarantees the latest version is installed. 
If there are issues with the R version getting downloaded or the previously installed version is older, check R version with 
R --version
Now, Run the following commands in Terminal (Ctrl + Alt + T)  
Add the key to secure APT from the CRAN package list:
sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9
Add the latest CRAN repository to the repository list. (This is for Ubuntu 18.04 specifically):
sudo add-apt-repository ‘deb https://cloud.r-project.org/bin/linux/ubuntu bionic-cran35/’
Update the package cache:
sudo apt update
Install the r-base package:
sudo apt install r-base
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