[R] how to undo automatic loading of packages?
Prof Brian Ripley
ripley at stats.ox.ac.uk
Wed Jun 24 18:12:27 CEST 2009
That was unintentional: the mail server crashed and apparently sent
the just-started reply.
It is nothing to do with 'Autoloads'. What is most likely if that you
have saved a reference to a namespace such as 'distrMod' in your
.RData file. If that it is the case, when .RData is loaded it will
load the namespace, and any namespaces it imports (and so on
recursively).
Once distrMod's namespace is loaded, it can attach other packages, and
indeed it does:
> loadNamespace("distrMod")
... lots of messages from those prolix authors ....
> search()
[1] ".GlobalEnv" "package:RandVar"
[3] "package:distrEx" "package:actuar"
[5] "package:evd" "package:distr"
[7] "package:SweaveListingUtils" "package:sfsmisc"
[9] "package:startupmsg" "package:stats"
[11] "package:graphics" "package:grDevices"
[13] "package:utils" "package:datasets"
[15] "package:methods" "Autoloads"
[17] "package:base"
The only fix is to locate the object you saved with the reference to
distrMod and delete it. The only hint I can offer is that it is
likely to be a function with namespace:distrMod as its environment.
Note that it is not regarded as good form for loading a namepace to
attach a package, and should not be necessary.
On Wed, 24 Jun 2009, Prof Brian Ripley wrote:
> On Wed, 24 Jun 2009, davidr at rhotrading.com wrote:
>
>> I wanted to try out package distrMod, so I did
>>
>>> install.packages('distrMod')
>>> library(distrMod)
>>
>> and played around, saved and quit.
>>
>> Now whenever I start up in this directory, I get distr and lots of other
>> stuff loaded and lots of messages.
>>
>> How do I keep it from automatically loading, other than starting over in
>> another directory?
>> I read ?Startup, but I couldn't suss out where the autoloading was
>> occurring.
>> It probably has something to do with the "Autoloads" that shows up in my
>> search list, but
>> I don't know how to get it out.
>> If I start up in another directory, this behavior is avoided, so I don't
>> think it's in
>> any site files. In this session's R.home(), I have
>> $ cat .Rprofile
>> options(stringsAsFactors = FALSE)
>> so it's not in there.
>>
>>> search()
>> [1] ".GlobalEnv" "package:grDevices"
>> "package:datasets" "package:RandVar"
>> [5] "package:distrEx" "package:actuar"
>> "package:evd" "package:distr"
>> [9] "package:SweaveListingUtils" "package:sfsmisc"
>> "package:utils" "package:stats"
>> [13] "package:startupmsg" "package:graphics"
>> "package:methods" "Autoloads"
>> [17] "package:base"
>>
>>> options("defaultPackages")
>> $defaultPackages
>> [1] "datasets" "utils" "grDevices" "graphics" "stats"
>> "methods"
>>
>>> sessionInfo()
>> R version 2.9.0 (2009-04-17)
>> i386-pc-mingw32
>>
>> locale:
>> LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
>> States.1252;LC_MONETARY=English_United
>> States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252
>>
>> attached base packages:
>> [1] grDevices datasets utils stats graphics methods base
>>
>>
>> other attached packages:
>> [1] RandVar_0.6.7 distrEx_2.1 actuar_1.0-2
>> evd_2.2-4 distr_2.1.1
>> [6] SweaveListingUtils_0.2 sfsmisc_1.0-7 startupmsg_0.6
>>
>> loaded via a namespace (and not attached):
>> [1] distrMod_2.1 MASS_7.2-46 stats4_2.9.0
>>
>> Thanks for any help on this,
>> David L. Reiner
>>
>>
>>
>>
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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
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
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
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