Follow the steps here to install the latest open source R on SLES 12 SP3.
The minimum R version Teradata supports is 3.4.3. If you already have R version 3.4.3 and later installed, you can skip this section.
For additional information, refer to the official R Project site https://cloud.r-project.org/bin/linux/suse/.
Add the repository from official SUSE site using zypper.
zypper addrepo https://download.opensuse.org/repositories/devel:languages:R:released/SLE_12/devel:languages:R:released.repo
Install the latest R using zypper.
zypper install R-base