[R-sig-Debian] How to get write permissions for (lib="~/.R/library") ??

[Mathieu Basille]

Dear Pragya,

Did you first create the folder '.R/library' in your home? It sounds 
weird that it is not writable... Next, if you log as root, it is likely 
that '~' refers to the home of the root user. Thus, you might need to 
explicitly give the complete name. But really, I wouldn't advise to 
install packages *in your home* while logged as root: every file will be 
owned by root...

Once you manage to use '~/.R/library' as a regular user, my advice is to 
tell it in a .Renviron file (directly in '~/'), so that you don't need 
to explicitly tell while installing packages.

### Packages in the home directory:
R_LIBS="~/.R/library:${R_LIBS}"

With this, R will try first in '~/.R/library', and next in the usual 
folders if it didn't succeed.

Hope this helps,
Mathieu.


Le 30/10/2010 02:34, pragya agarwal a écrit :
> Hi
>
> I am trying to install R-igraph, but when I issue the command :
>
> install.packages("igraph", lib="~/.R/library")
>
> in the R session, I get the following error:
>
> Warning in install.packages("igraph", lib = "~/.R/library") :
>    'lib = "~/.R/library"' is not writable
> Error in install.packages("igraph", lib = "~/.R/library") :
>    unable to install packages
>
> I have tried the command by logging in as the root user, but that also
> didn't work.
>
> Can anyone please help me??
>
> Thanks,
> Pragya
>
> 	[[alternative HTML version deleted]]
>
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Mathieu Basille, Post-Doc

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Laboratoire d'Écologie Comportementale et de Conservation de la Faune
+ Centre d'Étude de la Forêt
Département de Biologie
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