[R] customising installed libraries

[Prof Brian Ripley]

ipred has a NAMESPACE: you cannot do this to packages that have 
namespaces without changing the NAMESPACE file (and from the next release, 
you will need to reinstall as well).

You can read about this in `Writing R Extensions', but is it a good idea 
to be altering a package that uses concepts you do not understand?

I believe you mean `installed packages'.

On Thu, 22 Jan 2004, Stephen Henderson wrote:

>  I had quit q() R, reloaded and loaded ipred anew. Trying
> detach(package:ipred) makes no difference. I added a few pointless lines to
> one existing function and can see these when I call the function, passing no
> parameters. thats why i was assuming it was an R thing.
> 
> is this just some mysterious problem with my computer/ setup/ files?? not
> R??
> 
> -----Original Message-----
> From: Wolski
> To: Stephen Henderson
> Cc: 'r-help at stat.math.ethz.ch'
> Sent: 1/22/04 1:58 PM
> Subject: Re: [R] customising installed libraries
> 
> Have you executed first
> detach(package:library)
> before loading the library again?
> 
> Eryk
> *********** REPLY SEPARATOR  ***********
> 
> On 1/22/2004 at 1:47 PM Stephen Henderson wrote:
> 
> >hello
> >
> >I am returning to some libraries that I had previously customised by
> >amongst
> >other things adding additional functions. I had simply typed these new
> >functions into the file in library/R/thelibrary. These however do not
> seem
> >to be loaded now as they previously were under older versions of R. 
> >
> >What's changed and what do i need to do?
> >
> >Thanks
> >Stephen
> >
> >
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> 
> 
> Dipl. bio-chem. Eryk Witold Wolski    @    MPI-MG Dep. Vertebrate
> Genomics   
> Ihnestrasse 73 14195 Berlin          'v'    
> tel: 0049-30-84131285               /   \    
> mail: wolski at molgen.mpg.de        ---W-W----
> http://www.molgen.mpg.de/~wolski 
> 
> 
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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