[R] Windows 7 installation of .qz package from SourceForge

Duncan Murdoch murdoch.duncan at gmail.com
Wed Feb 1 18:47:36 CET 2012

On 12-02-01 12:07 PM, Prew, Paul wrote:
> Hello,  I'm trying to install the package metRology from SourceForge.  I save the zip file metRology_0.9-06.tar.gz to my Windows 7 machine, and try to install the package using the RGUI:  Packages>  Install packages from local zip files>  metRology_0.9-06.tar.gz.  There's no .zip extension, but R seems to go to work on the installation with a couple warning messages and one error.

tar.gz files are source packages.  .zip is a binary image of an 
installed package.

To install a tar.gz, you can't use the menu items.  If you have the 
necessary tools set up properly, it should work to do

install.packages(".../path/to/metRology_0.9-06.tar.gz", type="source", 

from within R.

If that fails (as it likely will if the package has C or Fortran code 
and you haven't installed the right compilers), you need to get the R 
tools from <CRAN mirror>/bin/windows/Rtools.

You can also install from outside R using "R CMD INSTALL 

Duncan Murdoch

> The menu Packages>  Load Package ...  doesn't provide metrology as one of the choices.
> ======R session window ========
>> utils:::menuInstallLocal()
> Warning in unzip(zipname, exdir = dest) :
>    error 1 in extracting from zip file
> Warning in read.dcf(file.path(pkgname, "DESCRIPTION"), c("Package", "Type")) :
>    cannot open compressed file 'metRology_0.9-06.tar.gz/DESCRIPTION', probable reason 'No such file or directory'
> Error in read.dcf(file.path(pkgname, "DESCRIPTION"), c("Package", "Type")) :
>    cannot open the connection
> Do I use a utility such as 7-zip to decompress the underlying files, then re-zip into a file with the .zip extension?
> Thank you, Paul
>> sessionInfo()
> R version 2.14.0 (2011-10-31)
> Platform: i386-pc-mingw32/i386 (32-bit)
> locale:
> [1] LC_COLLATE=English_United States.1252  LC_CTYPE=English_United States.1252    LC_MONETARY=English_United States.1252
> [4] LC_NUMERIC=C                           LC_TIME=English_United States.1252
> attached base packages:
> [1] tcltk     stats     graphics  grDevices utils     datasets  methods   base
> other attached packages:
> [1] Rcmdr_1.8-1 car_2.0-12  nnet_7.3-1  MASS_7.3-16
> loaded via a namespace (and not attached):
> [1] tools_2.14.0
> Paul Prew  |  Statistician
> 651-795-5942   |   fax 651-204-7504
> Ecolab Research Center  | Mail Stop ESC-F4412-A
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