[R-sig-Debian] Dependency failures on installing older R packages in Ubuntu

[Paul Gilbert]

On 02/22/2016 07:48 PM, Dirk Eddelbuettel wrote:
>
> On 23 February 2016 at 00:21, Jordan Dawe wrote: | I�ve been trying
> to install the CRAN Ubuntu r-base-3.1.2 package on Ubuntu 14.04, and
> I keep getting the following failure: | | ---------- | |
> vagrant at default-ubuntu-1404:/etc$ sudo apt-get install
> r-base=3.1.2-*
>
> That is a version that was released well over a year ago. Why not R
> 3.2.3 ?
>
> | Reading package lists... Done | | Building dependency tree | |
> Reading state information... Done | | Selected version
> '3.1.2-1trusty0' (CRAN:14.04/trusty [all]) for 'r-base' | | 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-recommended (=
> 3.1.2-1trusty0) but 3.2.3-6trusty0 is to be installed
>
> apt is telling you that is has 3.2.3. Why don't you not use it?
>
> We are volunteers.

>We do promise that you can install ANY
> combinations of ALL packages at ANY time.

If that is not a typo (do *NOT*) then I think you are working too hard. 
I know for a fact that all combinations of all packages cannot work 
together.

> We work hard to give you the current packages, reliably.

This is admirable, and enough I think.

Paul

>
> Dirk
>
> | |           Recommends: r-base-html but it is not going to be
> installed | |           Recommends: r-doc-html but it is not going to
> be installed | | E: Unable to correct problems, you have held broken
> packages. | | ---------- | | | In my apt/sources I have the line | |
> | deb     http://cran.fhcrc.org/bin/linux/ubuntu/ trusty/ | | | Any
> ideas? | | | Jordan | | | This email and any information disclosed in
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