On Mon, 25 Jun 2001, Christian Hennig wrote:
> Dear list,
>
> how can old installed packages be maintained when R is updated (e.g. from
> 1.1.1 to 1.3.0)? Up to now we installed all packages (except the libraries
> which come with the R base) once more in case
> of every R update. Is this really necessary? (Solaris UNIX)
Depends on the update. To move from 1.1.1 to 1.2.0 or later, yes,
you need to re-install many of the packages as the header files changed
with the new memory management. I found it hard to guess correctly
which ones, and re-installed all of them.
When I updated our installations on Friday, I installed 1.3.0 over where
1.3.0 had been installed, ran update.packages() and then looked for
files in the installation tree over a day old and deleted a few (the demos
directory for example).
If you have not updated at all since 1.1.1, update.packages() will
re-install all the current packages, as the oldest on CRAN is dated Jan
11, after 1.2.0 came out. You will then want to REMOVE survival5 and
integrate, which are obselete.
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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