Hi Folks,
I'm currently installing R-1.7.1 off CRAN.
As it happens, I have a CD (kindly made for me by Linux Emporium) containing all the libraries which were on CRAN early this year when I installed R-1.6.1. This is highly convenient, since the alternative would be several hours on-line.
While a recent library will on installation announce the fact should it need a newer version of R than the one which is installed, presumably this is not likely to be the case for an old library if a newer version of R is incompatible with it.
So is there a way of finding out whether a library dating from some time back is compatible with a recent R, other than simply trying it out to see if it works OK?
With thanks, and best wishes to all, Ted.
There is a dependency field in a package's DESCRIPTION file. Here the package author *might* give information on dependency for a minimal required R version. But this is not checked, and the author not always knows about dependencies, because he/she is probably developing on recent versions.
Uwe Ligges
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