ubuntu 12.04 に R をインストールしているときに、次のエラーが発生します。
sudo apt-get install r-base-core
The following packages have unmet dependencies:
r-base-core : Depends: libblas3 but it is not installable or
Depends: liblapack3 but it is not installable or
Depends: liblzma5 (>= 5.1.1alpha+20120614) but 5.1.1alpha+20110809-3 is to be installed
Depends: libtiff5 (> 4.0.0-1~) but it is not installable
E: Unable to correct problems, you have held broken packages.