Dear Rxperts..

I am trying to install a few packages in R (version 2.14.2) on a *64-bit
Window 7* workstation. Some of the errors are posted below.. Both 32-bit
and 64-bit versions of R were installed. I did not get errors while
installing packages through *32-bit R*, except that it could not update
some of the packages (already installed with 64-bit R)

*A*)  When I start *64-bit R (2.14.2)*
Loading required package: tcltk
Loading required package: R2HTML
Error in structure(.External("dotTcl", ..., PACKAGE = "tcltk"), class =
"tclObj") :
  [tcl] invalid command name "dde".
In addition: Warning message:
In tclRequire("dde", warn = TRUE) : Tcl package 'dde' not found
> options(repos='http://cran.stat.ucla.edu')
> install.packages("dde",dependencies=T)
Warning message:
In getDependencies(pkgs, dependencies, available, lib) :
  package ‘dde’ is not available (for R version 2.14.2)

*B)* While installing "rJava" from *64-bit R (2.14.2)*
> install.packages("rJava",repos='http://cran.stat.ucla.edu')
trying URL '
http://cran.stat.ucla.edu/bin/windows/contrib/2.14/rJava_0.9-3.zip'
Content type 'application/zip' length 745867 bytes (728 Kb)
opened URL
downloaded 728 Kb

package ‘rJava’ successfully unpacked and MD5 sums checked

The downloaded packages are in
        C:\Users\santosh\AppData\Local\Temp\RtmpsJ5HoF\downloaded_packages
> library(rJava)
Error : .onLoad failed in loadNamespace() for 'rJava', details:
  call: fun(libname, pkgname)
  error: JAVA_HOME cannot be determined from the Registry
Error: package/namespace load failed for ‘rJava’

*B*) While installing "XML" *64-bit R (2.14.2)*
> install.packages("XML",repos='http://www.omegahat.org/R')
Warning message:
In getDependencies(pkgs, dependencies, available, lib) :
  package ‘XML’ is not available (for R version 2.14.2)

Using  *64-bit R (2.14.2), *I could not install other packages like "xlsx"
that depend on "rJava". Installing the latest JRE has not seemed to help.

Any suggestions/solutions are most welcome

Thanks and regards,
Santosh

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