jimmy@Thoth-Ubuntu:~/software/lzma-4.43/C/7zip/Compress/LZMA_Alone$ sudo apt-get update
Ign http://probability.ca lucid/ InRelease
Hit http://probability.ca lucid/ Release.gpg
Ign http://us.archive.ubuntu.com precise InRelease
Ign http://us.archive.ubuntu.com precise-updates InRelease
Ign http://us.archive.ubuntu.com precise-backports InRelease
Ign http://dl.google.com stable InRelease
Hit http://probability.ca lucid/ Release
Hit http://dl.google.com stable Release.gpg
Hit http://us.archive.ubuntu.com precise Release.gpg
Hit http://us.archive.ubuntu.com precise-updates Release.gpg
Hit http://probability.ca lucid/ Packages
Hit http://dl.google.com stable Release
Hit http://us.archive.ubuntu.com precise-backports Release.gpg
Hit http://dl.google.com stable/main amd64 Packages
Hit http://us.archive.ubuntu.com precise Release
Hit http://dl.google.com stable/main i386 Packages
Ign http://dl.google.com stable/main TranslationIndex
Hit http://us.archive.ubuntu.com precise-updates Release
Ign http://security.ubuntu.com precise-security InRelease
Ign http://extras.ubuntu.com precise InRelease
Hit http://us.archive.ubuntu.com precise-backports Release
Hit http://us.archive.ubuntu.com precise/main Sources
Hit http://us.archive.ubuntu.com precise/restricted Sources
Hit http://us.archive.ubuntu.com precise/universe Sources
Hit http://us.archive.ubuntu.com precise/multiverse Sources
Hit http://us.archive.ubuntu.com precise/main amd64 Packages
Hit http://us.archive.ubuntu.com precise/restricted amd64 Packages
Hit http://us.archive.ubuntu.com precise/universe amd64 Packages
Hit http://us.archive.ubuntu.com precise/multiverse amd64 Packages
Hit http://us.archive.ubuntu.com precise/main i386 Packages
Hit http://us.archive.ubuntu.com precise/restricted i386 Packages
Hit http://us.archive.ubuntu.com precise/universe i386 Packages
Hit http://us.archive.ubuntu.com precise/multiverse i386 Packages
Hit http://us.archive.ubuntu.com precise/main TranslationIndex
Hit http://us.archive.ubuntu.com precise/multiverse TranslationIndex
Hit http://us.archive.ubuntu.com precise/restricted TranslationIndex
Hit http://us.archive.ubuntu.com precise/universe TranslationIndex
Hit http://us.archive.ubuntu.com precise-updates/main Sources
Hit http://us.archive.ubuntu.com precise-updates/restricted Sources
Hit http://us.archive.ubuntu.com precise-updates/universe Sources
Ign http://probability.ca lucid/ Translation-en_US
Hit http://us.archive.ubuntu.com precise-updates/multiverse Sources
Hit http://security.ubuntu.com precise-security Release.gpg
Hit http://extras.ubuntu.com precise Release.gpg
Ign http://probability.ca lucid/ Translation-en
Hit http://us.archive.ubuntu.com precise-updates/main amd64 Packages
Hit http://us.archive.ubuntu.com precise-updates/restricted amd64 Packages
Hit http://us.archive.ubuntu.com precise-updates/universe amd64 Packages
Hit http://us.archive.ubuntu.com precise-updates/multiverse amd64 Packages
Hit http://us.archive.ubuntu.com precise-updates/main i386 Packages
Hit http://us.archive.ubuntu.com precise-updates/restricted i386 Packages
Hit http://us.archive.ubuntu.com precise-updates/universe i386 Packages
Hit http://us.archive.ubuntu.com precise-updates/multiverse i386 Packages
Hit http://us.archive.ubuntu.com precise-updates/main TranslationIndex
Hit http://us.archive.ubuntu.com precise-updates/multiverse TranslationIndex
Hit http://us.archive.ubuntu.com precise-updates/restricted TranslationIndex
Hit http://us.archive.ubuntu.com precise-updates/universe TranslationIndex
Hit http://us.archive.ubuntu.com precise-backports/main Sources
Hit http://us.archive.ubuntu.com precise-backports/restricted Sources
Hit http://us.archive.ubuntu.com precise-backports/universe Sources
Hit http://us.archive.ubuntu.com precise-backports/multiverse Sources
Hit http://us.archive.ubuntu.com precise-backports/main amd64 Packages
Hit http://us.archive.ubuntu.com precise-backports/restricted amd64 Packages
Hit http://us.archive.ubuntu.com precise-backports/universe amd64 Packages
Hit http://us.archive.ubuntu.com precise-backports/multiverse amd64 Packages
Hit http://us.archive.ubuntu.com precise-backports/main i386 Packages
Hit http://us.archive.ubuntu.com precise-backports/restricted i386 Packages
Hit http://us.archive.ubuntu.com precise-backports/universe i386 Packages
Hit http://us.archive.ubuntu.com precise-backports/multiverse i386 Packages
Hit http://security.ubuntu.com precise-security Release
Hit http://extras.ubuntu.com precise Release
Hit http://us.archive.ubuntu.com precise-backports/main TranslationIndex
Hit http://us.archive.ubuntu.com precise-backports/multiverse TranslationIndex
Hit http://us.archive.ubuntu.com precise-backports/restricted TranslationIndex
Hit http://us.archive.ubuntu.com precise-backports/universe TranslationIndex
Hit http://us.archive.ubuntu.com precise/main Translation-en
Hit http://us.archive.ubuntu.com precise/multiverse Translation-en
Ign http://dl.google.com stable/main Translation-en_US
Hit http://us.archive.ubuntu.com precise/restricted Translation-en
Hit http://us.archive.ubuntu.com precise/universe Translation-en
Hit http://us.archive.ubuntu.com precise-updates/main Translation-en
Hit http://us.archive.ubuntu.com precise-updates/multiverse Translation-en
Hit http://us.archive.ubuntu.com precise-updates/restricted Translation-en
Hit http://us.archive.ubuntu.com precise-updates/universe Translation-en
Hit http://us.archive.ubuntu.com precise-backports/main Translation-en
Hit http://us.archive.ubuntu.com precise-backports/multiverse Translation-en
Hit http://us.archive.ubuntu.com precise-backports/restricted Translation-en
Ign http://dl.google.com stable/main Translation-en
Hit http://us.archive.ubuntu.com precise-backports/universe Translation-en
Hit http://security.ubuntu.com precise-security/main Sources
Hit http://extras.ubuntu.com precise/main Sources
Hit http://extras.ubuntu.com precise/main amd64 Packages
Hit http://extras.ubuntu.com precise/main i386 Packages
Hit http://security.ubuntu.com precise-security/restricted Sources
Hit http://security.ubuntu.com precise-security/universe Sources
Hit http://security.ubuntu.com precise-security/multiverse Sources
Hit http://security.ubuntu.com precise-security/main amd64 Packages
Hit http://security.ubuntu.com precise-security/restricted amd64 Packages
Ign http://extras.ubuntu.com precise/main TranslationIndex
Hit http://security.ubuntu.com precise-security/universe amd64 Packages
Hit http://security.ubuntu.com precise-security/multiverse amd64 Packages
Hit http://security.ubuntu.com precise-security/main i386 Packages
Hit http://security.ubuntu.com precise-security/restricted i386 Packages
Hit http://security.ubuntu.com precise-security/universe i386 Packages
Hit http://security.ubuntu.com precise-security/multiverse i386 Packages
Hit http://security.ubuntu.com precise-security/main TranslationIndex
Hit http://security.ubuntu.com precise-security/multiverse TranslationIndex
Hit http://security.ubuntu.com precise-security/restricted TranslationIndex
Hit http://security.ubuntu.com precise-security/universe TranslationIndex
Hit http://security.ubuntu.com precise-security/main Translation-en
Hit http://security.ubuntu.com precise-security/multiverse Translation-en
Hit http://security.ubuntu.com precise-security/restricted Translation-en
Hit http://security.ubuntu.com precise-security/universe Translation-en
Ign http://extras.ubuntu.com precise/main Translation-en_US
Ign http://extras.ubuntu.com precise/main Translation-en
Reading package lists... Done
jimmy@Thoth-Ubuntu:~/software/lzma-4.43/C/7zip/Compress/LZMA_Alone$ sudo apt-get -f install r-base
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 (>= 2.15.2-1lucid0) but it is not going to be installed
          Depends: r-recommended (= 2.15.2-1lucid0) but it is not going to be installed
          Recommends: r-base-html but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
jimmy@Thoth-Ubuntu:~/software/lzma-4.43/C/7zip/Compress/LZMA_Alone$ sudo apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.