What is "R"
R is a programming language and free software environment for statistical computing and graphics supported by the R Foundation for Statistical Computing.
The R language is widely used among
- Statisticians ,
- Academicians &
- Data miners for developing statistical software and data analysis.
User Polls, data mining surveys and studies of scholarly literature databases, show substantial increases in popularity of R in recent years.
As of Oct 2018, R ranks 14th in the TIOBE index, a measure of popularity of programming languages.
Before we Install R on our system lets revisit / reiterate few salient points of R -
- R is Open Source Software of Free Software Language
- R is Cross Platform Compatible and thus can be installed on any OS environment
- R is highly Extensible and is being supported by freely available huge library of Packages
- Latest version of R and all R Packages are maintained at CRAN* website.
*CRAN : Comprehensive R Archive Network
Note - For installing the R & R-Studio , it is recommended that we first install R and then install R-Studio.
Here below , we advise on the steps to be taken to install R on Windows platform -
Step 1 :- Download the latest version of R from https://cran.r-project.org/bin/windows/base/
Step 2 :- Double-click on the file you just downloaded to install R
Step 3 :- Cick ok –> Next –> Next –> Next …. (no need to change default installation parameters)
You should now notice an icon on your desktop , with a large capital "R".
Congratulations !! you just successfully installed R on your Windows system.
Now , lets install R-Studio -
But , what is R-Studio and Why we need R-Studio .....
RStudio is a free and open-source integrated development environment (IDE) for R.
RStudio is available in two editions: RStudio Desktop, where the program is run locally as a regular desktop application; and RStudio Server, which allows accessing RStudio using a web browser while it is running on a remote Linux server.
Here below , we show how to install 'R-Studio Desktop' edition.
Step 1 - Go to - https://www.rstudio.com/products/rstudio/download/
Step 2 - From the above mentioned website , download , the Free version of 'R Desktop Open Source'
Step 3 - Then Run the downloaded R-Studio exe file and follow the instructions to Install the R-Studio.
Now , you will see a R-Studio icon on your Desktop , double click it and you are all set !!
Bon Voyage !!