[R] Solved : RE: problem installing R on ubuntu

Horace Tso Horace.Tso at pgn.com
Thu Jan 6 18:11:45 CET 2011

This question of mine is now solved, thanks to a suggestion by Homer Strong, the organizer of the R user group in Portland, Oregon. 

The "unmet dependencies" as reported by install was caused by an incorrect entry in /etc/apt/sources.list. Previously I had 

deb http://<my.favorite.cran.mirror>/bin/linux/ubuntu hardy/

It should say lucid,

deb http://<my.favorite.cran.mirror>/bin/linux/ubuntu lucid/ 

Once it's changed, the apt-get works without a glitch. 

Thanks again to Homer.

Horace W Tso

-----Original Message-----
From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of Horace Tso
Sent: Thursday, December 23, 2010 10:31 AM
To: r-help
Subject: [R] problem installing R on ubuntu

Following the official instructions to install R on ubuntu 10.04, I issued this command on the prompt,

sudo apt-get install r-base

Here is the error msg,

Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
  r-base: Depends: r-base-core (>= 2.12.1-1hardy0) but 2.10.1-2 is to be installed
          Depends: r-recommended (= 2.12.1-1hardy0) but 2.10.1-2 is to be installed
E: Broken packages

Note I already have 2.10.1 installed.

Any comments/advices appreciated.


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