• login as root
 
sudo -i # enter password
  • add repository
 
VERSION=$(grep VERSION /etc/SuSE-release | sed -e 's/VERSION = //')
zypper addrepo -f http://download.opensuse.org/repositories/devel\:/languages\:/R\:/patched/openSUSE_$VERSION/ R-base
  • install R
 
zypper install R-base R-base-devel
  • update
 
zypper update R-base

check here for detailed explainations.