R help - Oct 2001 - loading packages

Thanks to Roger for pointing out the packages spweights and sptests to
me. I believe they will be quiet useful in my work. But... I can't get
them to work!

Firstly, I realised that a newer version of R is available. I have now
downloaded and installed it. When I try to 'install packages from CRAN'
I get:

trying URL `http://cran.r-project.org/bin/windows/contrib/PACKAGES'
unable to connect to 'cran.r-project.org'.
Error in download.file(url = paste(contriburl, "PACKAGES", sep =
"/"),
:
        cannot open URL
`http://cran.r-project.org/bin/windows/contrib/PACKAGES'

although my Netscape has no problems locating it.

Whan I unzip the files to the library-subdirectory the command

library(spweights)

results in

Warning message:
Package  `spweights' contains no R code in: library(pkg, character.only
= TRUE)

although library(help=spweights) produces a window with the desired
information.

I cannot use 'install package from local zip.-file' because the packages
are in .tar.gz-format.

Please tell me what am I missing here?

Best regards,

    Elena Moltchanova

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Elena:

On Tue, 23 Oct 2001, Elena Moltchanova wrote:
> Thanks to Roger for pointing out the packages spweights and sptests to
> me. I believe they will be quiet useful in my work. But... I can't get
> them to work!
> 
> Firstly, I realised that a newer version of R is available. I have now
> downloaded and installed it. When I try to 'install packages from
CRAN'
> I get:
> 
> trying URL `http://cran.r-project.org/bin/windows/contrib/PACKAGES'
> unable to connect to 'cran.r-project.org'.
> Error in download.file(url = paste(contriburl, "PACKAGES", sep =
"/"),
> :
>         cannot open URL
> `http://cran.r-project.org/bin/windows/contrib/PACKAGES'
> 
> although my Netscape has no problems locating it.
> 
> Whan I unzip the files to the library-subdirectory the command
> 
> library(spweights)
> 
> results in
> 
> Warning message:
> Package  `spweights' contains no R code in: library(pkg, character.only
> = TRUE)
This happens when one installs a package source as though it was a binary,
because library() doesn't find the R code.
> 
> although library(help=spweights) produces a window with the desired
> information.
> 
> I cannot use 'install package from local zip.-file' because the
packages
> are in .tar.gz-format.
> 
If the files you found are in *.tar.gz format, then they are the source
files, not the Windows binaries.

The *.zip files are in http://cran.r-project.org/bin/windows/contrib/ and
should be installable with the menu item: "Packages" ->
"Install package
from local zip file", if -> "Install package from CRAN"
doesn't fly for
you (does for me).

Roger

-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Breiviksveien 40, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 93 93
e-mail: Roger.Bivand at nhh.no
and: Department of Geography and Regional Development, University of
Gdansk, al. Mar. J. Pilsudskiego 46, PL-81 378 Gdynia, Poland.

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