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Today, when executing apt-get update after adding the R language repositories to apt, I received the following erros

Err http://ppa.launchpad.net http/ppa/ubuntu/precise Sources          
  404  Not Found
Err http://ppa.launchpad.net http/ppa/ubuntu/main Sources             
  404  Not Found
Err http://ppa.launchpad.net http/ppa/ubuntu/precise i386 Packages
  404  Not Found
Err http://ppa.launchpad.net http/ppa/ubuntu/main i386 Packages       
  404  Not Found

From the paths listed, they are from the Ubuntu Precise distribution, which is a LTS version. To fix these errors, what are the replacement paths?

I found

http://ppa.launchpad.net/ubuntu-ppa/lxc-lts/ubuntu/dists/precise/

but would like to confirm that this is the replacement path for the packages.

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Please edit your question to show the contents of /etc/apt/sources.list as it appears that you have malformed PPA entries, which is probably the source of the problem. –  douggro Jan 26 at 19:39

1 Answer 1

There are many sources available, here is a complete list of cran mirrors here:

http://cran.r-project.org/mirrors.html

Here is a good example of the install:

http://livesoncoffee.wordpress.com/2012/12/09/installing-r-on-ubuntu-12-04/

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I think you misread my question. The ppas listed are not part of CRAN, but Canonical Ubuntu itself. –  Jason Jan 26 at 19:02
    
@Jason PPAs are "Private Package Archives" and in no way "part of Canonical Ubuntu itself". Why don't you ask the maintainer of the archive? –  guntbert Jan 26 at 19:32

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