How to Install R on Debian 9

How to Install R on Debian 9
How to Install R on Debian 9

Install R on Debian 9

R is a opensource programming language and software environment which comes with GUI (Graphical User Interface). R language specialized in statistical computing and graphics so it is widely used in statistical software development and data analysis. In this tutorial we are going to learn How to install R on Debian 9.

Prerequisites

Before you start to install R on Debian. You must have a non-root user account on your server with sudo privileges.

Installing R on Debian

R language repository is not available in Debian core repositories so we need to add the repository manually. Follow below instructions to add repository and install R on Debian.

First add GPG key by using the following command in terminal:

sudo apt-key adv --keyserver keys.gnupg.net --recv-key 'E19F5F87128899B192B1A2C2AD5F960A256A04AF'

Now after adding GPG key you should add the repository by running the below command:

sudo add-apt-repository 'deb https://cloud.r-project.org/bin/linux/debian stretch-cran35/'

Update the apt package manager index by typing the following command in terminal:

sudo apt update

Run the following command to install R in Debian:

sudo apt-get install r-base

Confirm the installation and check the version of R language by typing the following command:

R --version

The output should be:

R version 3.5.3 (2019-04-01) -- "Feather Spray"
Copyright (C) 2018 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)
...
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

Run Simple Hello World Program In R

Now we are going to run a simple R program in Debian using following instructions.

Create a file named HelloWorld.R using the following command:

sudo nano HelloWorld.R

Copy and paste the following code in above file:

helloVariable <- "Hello World"
print(helloVariable)

Now run program by typing the following command in the terminal:

Rscript HelloWorld.R

The output should be:

[1] Hello World

You have successfully run Hello World program in R language.

Conclusion

You have successfully learned how to install R on Debian 9. If you have any queries please don’t forget to comment out.

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