r-cran-maps software package provides GNU R support for producing geographic maps, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install r-cran-maps
r-cran-maps is installed in your system.
Make ensure the r-cran-maps package were installed using the commands given below,
$ sudo dpkg-query -l | grep r-cran-maps *
You will get with r-cran-maps package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Mathematics |
| Package | r-cran-maps |
| Version | 2.3-2-1 |
| Description | GNU R support for producing geographic maps |
| Sub Section | math |