Okay, Subramanian S, try this:

pkgs <- c("pkg1", "pkg2", "pkg3")
install.packages(pkgs, repos = NULL,
                 contriburl = "file:///c:/r/repos/2.12",
                 dependencies = TRUE)

where I've got zipfiles in c:/r/repos/2.12.

Comments:
1. Note the 3 slashes after "file:".
2. You will also have to copy the file PACKAGES into
   your download folder.
3. Specify "lib=" if you don't want to install into the
   default directory.
4. You may get warnings about unavailable packages.

  -Peter Ehlers

On 2010-06-22 7:38, David Winsemius wrote:

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


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