On 08/19/05 16:23, Paul Johnson wrote:
> Good day:
>
> I'm administering 6 linux systems (FC4) in a student lab and worry that
> users may want packages that are not installed. I get tired of adding
> them one by one. Then I happened upon this page
>
> http://support.stat.ucla.edu/view.php?supportid=30
>
> about installing all R packages from CRAN. That did not run as it was,
> but after some fiddling I arrived at the following script, which does
> run and it builds many packages and reports failures on the rest:
>
> #R_installAll.R
> options(repos = "http://lib.stat.cmu.edu/R/CRAN/";)
> update.packages(ask=F)
> x <- packageStatus(repositories="http://cran.r-project.org/src/contrib";)
> st <- x$avai["Status"]
> install.packages(rownames(st)[which(st$Status=="not installed")],
> dependencies=T)
I used to do this:
update.packages()
cp <- CRAN.packages()[,1]
ip <- installed.packages()[,1,]
install.packages(setdiff(cp,ip))
But now it looks like you can do this:
install.packages(new.packages())
Jon
--
Jonathan Baron, Professor of Psychology, University of Pennsylvania
Home page: http://www.sas.upenn.edu/~baron
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