On Tue, 2009-02-10 at 10:22 +0100, Kim Vanselow wrote:> Dear R-Help-Team,
>
> I tried to use isoMDS-Function of the MASS-Package:
>
> Message:
> Fehler: konnte Funktion "isoMDS" nicht finden
> (error: could not find function "isoMDS")
Did you load the package from your library first, e.g.:
library(MASS)
isoMDS(....)
>
> so I tried to install the package MASS:
MASS is part of recommended package bundle VR and as such, should come
with every version of R on all binaries for the different OSes (IIRC),
you shouldn't need to install it.
Your .libPaths(...) call raised an error because you didn't provide a
character vector for the path to a library location. .libPaths() is not
designed to do what you appeared to think it did - it deals with
setting/getting paths to where packages are located.
Reading section 13 of the manual "An Introduction to R" would have
explained all of this.
HTH
G
>
> > utils:::menuInstallPkgs()
> versuche URL
'http://cran.rakanu.com/bin/windows/contrib/2.8/VR_7.2-45.zip'
> Content type 'application/zip' length 1598763 bytes (1.5 Mb)
> URL ge?ffnet
> downloaded 1.5 Mb
>
> Bundel 'VR' erfolgreich ausgepackt und MD5 Summen abgeglichen
> Warnung: kann alte Installation von Paket 'MASS' nicht entfernen
>
> Die heruntergeladenen Pakete sind in
> C:\Dokumente und Einstellungen\kvanselow\Lokale
Einstellungen\Temp\RtmpeIMdIP\downloaded_packages
> aktualisiere HTML Paketbeschreibungen
> >
>
> ok, MASS seems to be already installed. But I cannot run its functions and
I cannot find the path:
>
> > .libPaths(MASS)
> Fehler in path.expand(new) : objekt "MASS" nicht gefunden
>
> What can I do?
> Thanks in advance
>
> Kim
>
>
>
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