Installing the R Language

Install the R language on Linux and configure environment variables for the system to recognize R commands, ensuring smooth operation and functionality.

1. Download the R language installation package.

   1	wget http://cran.rstudio.com/src/base/R-3/R-3.1.1.tar.gz

2. Decompress the package.

   1	tar -zxf R-3.1.1.tar.gz

3. Install dependencies.

   1	yum -y install bzip2-devel zlib-devel xz-devel pcre-devel libcurl-devel openssl-devel libXt-devel.aarch64 readline-devel.aarch64

4. Go to the directory generated after the decompression.

   1	cd R-3.1.1

5. Perform compilation.

   1 2	./configure --enable-R-shlib --enable-R-static-lib --with-libpng --with-jpeglib --prefix=/opt/tools/installed/R-3.1.1 make all -j10 && make install

6. Configure the R language environment variables.
   1. Open the /etc/profile file.

      vi /etc/profile

   2. Press i to enter the insert mode and add the following content to the file:

      export R_HOME=/opt/tools/installed/R-3.1.1
      export PATH=$R_HOME/bin:$PATH

   3. Press Esc, type :wq!, and press Enter to save the file and exit.
7. Make the environment variables take effect.

   1	source /etc/profile