[R] installing packages from a directory on the computer

[David Winsemius]

On Jun 22, 2010, at 5:48 AM, Subramanian S wrote:

> Peter, i tried the file.choose() method of installing from local zip  
> files;
> its easy to install few packages that way. but you see if there are  
> many
> packages(say >10 or 12), then i wont be able to install the packages  
> on
> which the packages that i want to install depend because i guess i  
> cant set
> dependencies=TRUE by this method.
>
> here is what i tried
> i replaced "http://my.local.cran" (code below) in Rprofile.site with
> "file://C:/R/packages/" and then did
>
> install.packages(c("pkg1", "pkg2", ...),dependencies=TRUE) in R  
> console but
> dint succeed..

What were the error messages?

(I would have guessed that you needed to specify that the packages  
should be installed from "source", since I think that the default  
might be "win.binary". The error messages should have been  
informative.  Always include full error messages as the Posting Guide  
clearly states.)

>
> # set a CRAN mirror
> local({r <- getOption("repos")
>      r["CRAN"] <- "http://my.local.cran/"
>       options(repos=r)})
>
> Would Appreciate help
>
> 	[[alternative HTML version deleted]]
>
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David Winsemius, MD
West Hartford, CT