R is programming language for statistical computing and graphics. R is open-source and supported by the R Foundation . The R language is the most used by among statisticians and data miners for developing statistical software and data analysis. The official R software environment is written primarily in C, Fortran, and R itself and is freely available under the GNU General Public License. Pre-compiled executables are provided for various operating systems.
On this article, we will discuss how to install R language on Ubuntu 20.04 LTS. The R installation will be divided into several step as described below.
- Installing R on Ubuntu
- Using R Languange
For R installation, there will be several prerequisite to be fullfiled, such as:
- sufficient space for R binary files
- at least 1GB of RAM
- a non-root user with sudo privileges
Installing R on Ubuntu 20.04 LTS
We will use R language respository from the external repository maintained by CRAN (Comprehensive R Archive Network). CRAN maintains the repositories within their network, but not all external repositories are reliable. Be sure to install only from trusted sources. While this articel is writing, the last R language version is version 4.0.1.
- Update the system
ramans@otodiginet:/$ sudo apt update [sudo] password for ramans: Hit:1 http://us.archive.ubuntu.com/ubuntu focal InRelease
- Enable the CRAN repository and add the CRAN GPG key to our system
ramans@otodiginet:/$ sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9 Executing: /tmp/apt-key-gpghome.Qf1do6p8aa/gpg.1.sh --keyserver keyserver.ubuntu.com --recv-keys E298A3A825C0D65DFD57CBB651716619E084DAB9 gpg: key 51716619E084DAB9: public key "Michael Rutter email@example.com" imported gpg: Total number processed: 1 gpg: imported: 1
ramans@otodiginet:/$ sudo add-apt-repository 'deb https://cloud.r-project.org/bin/linux/ubuntu focal-cran40/'
- Install R languange by submitting command line below.
ramans@otodiginet:/$ sudo apt install r-base
- Verify R installation
After the installation was completed, we have to verify if the installation process was successful. To check it, we will run the command line which will print the R version.
ramans@otodiginet:/$ R --version R version 4.0.1 (2020-06-06) -- "See Things Now" Copyright (C) 2020 The R Foundation for Statistical Computing Platform: x86_64-pc-linux-gnu (64-bit) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under the terms of the GNU General Public License versions 2 or 3. For more information about these matters see https://www.gnu.org/licenses/.
So far, the R language installation was completed done, It can be verified by querying the R version as described above. The next step is to install the R package installation from CRAN.
Using R on Ubuntu
R package requires the compiler to be compiled, for this purpose had installed the build-essenstial on Ubuntu Linux 20.04. The build-essentials was already discussed ontthe earlier article, just chekt it out here (How To Install GCC On Ubuntu 20.04 LTS).