On 22.06.2010 19:30, Subramanian S wrote:
i am able to install zip files of packages from local zip files using the
file.choose() for the package argument in install.packages() function in R
console and also from the Packages menu>install from local zip files. But
if there are many packages to install (say>15 or 20), then i have to factor
in dependencies of 15-20 packages which may be more than 100 or 200 packages
in all to be installed. i'd have to go and choose so many of them.
so, i want a command line solution.
here is what i tried:
following the CRAN Miror's hierarchy of the directory where package zip
files are, i have put zip files of packages in:
C:\R\packages\bin\windows\contrib\2.11
To set this folder as my Mirror to install packages from, in Rprofile.site i
replaced "http://my.local.cran"; with "file://C:/R/packages/" (full code
given below) and then in R console i enter:
install.packages(c("pkg1", "pkg2", ...),dependencies=TRUE)
but dint succeed.
Error message: Warning in gzfile(file, "r") :
cannot open compressed file
'//C:/R/packages/bin/windows/contrib/2.11/PACKAGES', probable reason 'No
such file or directory'
A CRAN style repository needs a PACKAGES file that is used by R to load
the database of available packages within that repository.
Such a file can be created by function write_PACKAGES() in package tools.
Best,
Uwe Ligges
Error in gzfile(file, "r") : cannot open the connection
# code in Rprofile.site to set a CRAN mirror
local({r<- getOption("repos")
r["CRAN"]<- "http://my.local.cran/";
options(repos=r)})
have changed this to:
local({r<- getOption("repos")
r["CRAN"]<- "file://C:/R/packages/"
options(repos=r)})
Pls help.
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