[R] How to unload a package or "undo" library("package")

[Ales Ziberna]

Thank you!

I guess it can not be done!


Best,
Ales Ziberna

-----Original Message-----
From: Prof Brian Ripley [mailto:ripley at stats.ox.ac.uk] 
Sent: Monday, January 09, 2006 9:19 AM
To: Ales Ziberna
Cc: r-help at stat.math.ethz.ch
Subject: Re: [R] How to unload a package or "undo" library("package")

See the rw-FAQ, Q4.8

On Mon, 9 Jan 2006, Ales Ziberna wrote:

> If I do  detach(package:blockmodeling)
>
> My package "blockmodeling" does not appear in (.packages())
> [1] "methods"   "stats"     "graphics"  "grDevices" "utils"     "datasets"
> [7] "base"
>
> However, if I want to install a newer version from a local zip file, I
get:
> utils:::menuInstallLocal()
> package 'blockmodeling' successfully unpacked and MD5 sums checked
> Error: cannot remove prior installation of package 'blockmodeling'
>
>
> Is there any way around that?
>
> Best,
> Ales Ziberna
>
> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch 
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Gabor 
> Grothendieck
> Sent: Sunday, January 08, 2006 10:42 PM
> To: Alea }iberna
> Cc: r-help at stat.math.ethz.ch
> Subject: Re: [R] How to unload a package or "undo" library("package")
>
> Here are some things to try:
>
> detach() - detach most recent attached package
> detach(2) - detach package which is in position 2 on search list.
> Same as detach()
> detach("package:mypackage") - mypackage from search list
> search() - display search list
>
> On 1/8/06, Alea }iberna <ales.ziberna at gmail.com> wrote:
>> Hello!
>>
>> I would like to unload a package form a current R session. I tried 
>> datach(package:packagename), however it does not work. The reason I 
>> want to unload it is that I want to correct some files in the package 
>> and reinstall it without closing an R session.
>>
>> Best,
>> Ales Ziberna
>>
>> PS: I am using R 2.1.1 on Windows XP
>>
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>> https://stat.ethz.ch/mailman/listinfo/r-help
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>> http://www.R-project.org/posting-guide.html
>>
>
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>
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> PLEASE do read the posting guide! 
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>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595