[R-sig-Debian] R upgrade fails on r-cran-class

Edwin Groot edwin.groot at biologie.uni-freiburg.de
Thu Jun 3 19:05:23 CEST 2010

Hello all,
I encountered a problem using the recommended backport method to
upgrade R from 2.7.1 to 2.11.1 in a Debian lenny system.
r-base cannot install, and I tracked it down to a r-cran-class

# apt-get install r-cran-class
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package r-cran-class is not available, but is referred to by another
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package r-cran-class has no installation candidate

I installed backports of r-base-core and r-base-dev, but this did not
help the problem. Do I need to reinstall Debian?

Diagnostic information:
# uname -a
Linux MyNotebook 2.6.26-2-amd64 #1 SMP Tue Jan 12 22:12:20 UTC 2010
x86_64 GNU/Linux
> sessionInfo()
R version 2.11.1 (2010-05-31) 

 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C              
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8    
 [5] LC_MONETARY=C              LC_MESSAGES=en_US.UTF-8   
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C                 
 [9] LC_ADDRESS=C               LC_TELEPHONE=C            

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

Dr. Edwin Groot, bioinformatician
AG Laux
Institut fuer Biologie III
Schaenzlestr. 1
79104 Freiburg, Deutschland
+49 761-2032945

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