We are getting below error while installing R 4.2.1 on Ubuntu 18.04,
- apt-get -s -o Debug::pkgProblemResolver=yes install -y --allow-downgrades -o APT::Immediate-Configure=0 'r-base=4.2.1*' 'r-base-dev=4.2.1*' 'r-base-core=4.2.1*' 'r-recommended=4.2.1*'
Reading package lists...
Building dependency tree...
Reading state information...
Starting pkgProblemResolver with broken count: 1
Starting 2 pkgProblemResolver with broken count: 1
Investigating (0) r-recommended:amd64 < none -> 4.2.1-3.1804.0 @un puN Ib >
Broken r-recommended:amd64 Depends on r-cran-mass:amd64 < none | 7.3-59-1.1804.0 @un uH >
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Reinst Failed because of protected r-base-core:amd64
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-mass:amd64 1 as a solution to r-recommended:amd64 10012
Broken r-recommended:amd64 Depends on r-cran-class:amd64 < none | 7.3-21-1.1804.0 @un uH >
Considering r-cran-class:amd64 1 as a solution to r-recommended:amd64 10012
Reinst Failed because of protected r-base-core:amd64
Considering r-cran-class:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-class:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-class:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-class:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-class:amd64 1 as a solution to r-recommended:amd64 10012
Considering r-cran-class:amd64 1 as a solution to r-recommended:amd64 10012
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-recommended : Depends: r-cran-mass but it is not going to be installed
Depends: r-cran-class but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
Is there any way to install specific version of R on ubuntu.