I don't know if it's a bug or what, but an error message will pop-up when trying to double click on a .r extension file.

to fix it:

cd to ~/.local/share/applications

nano defaults.list

http://grass.itc.it/statsgrass/r_and_dbms.html

don't forget

Sys.setenv("PG_LIB_DIR"="/usr/local/pgsql/lib")
Sys.setenv("PG_INCLUDE_DIR"="/usr/local/pgsql/include")

http://www-css.fnal.gov/dsg/external/freeware/pgsql_Install.html

http://rh-mirror.linux.iastate.edu/CRAN/bin/linux/ubuntu/README.html

don't forget

sudo apt-get build-dep r-base

If you want to use 'su' instead of sudo to gain root privileges, you must:

1) assign a password to root: 'sudo passwd root'
2) setuid /bin/su: 'chmod 4750 /bin/su'

As you may already know you can download and install R packages in R using the install.packages() command.

1 - Add this line to Synaptic > Settings > Repositories > Third-Party Software > Add > Enter url 'deb http://ppa.launchpad.net/kubuntu-members-kde4/ubuntu gutsy main' > Add Source > Update > Close

sudo apt-get install -f

In Thunderbird,
* Go to Address Book
* Select the address book you want to export, then
* Click "Export" from "Tools" menu (Tools --> Export)

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