The answer is:

> .libPaths()
[1] "E:/R/R-2.10.1/library"

stats package is found under

.../library/

 I tried Jim's suggestion and copied R-2.10.1 directory from C:\Program
Files\R\ into USB-disk, and everything seems to work fine. Re-istallation
did not help.

Thanks,
-Lauri


2010/2/9, Prof Brian Ripley <ripley@stats.ox.ac.uk>:
>
> On Tue, 9 Feb 2010, Peter Dalgaard wrote:
>
> Lauri Nikkinen wrote:
>>
>>> Hi,
>>>
>>> I installed R on USB-drive, but when I run Rgui.exe from bin folder, I
>>> get
>>> this error:
>>>
>>
>> ...
>>
>>>
>>> Error in library(package, lib.loc = lib.loc, character.only = TRUE,
>>> logical.return = TRUE,  :
>>>  'stats' is not a valid installed package
>>>
>>> var(1:10)
>>>>
>>> Error: could not find function "var"
>>> ----------------------------
>>>
>>> So it seems that stats package is not loaded. How can I fix this?
>>>
>>
>> Does R know where to find its packages? Can you say
>>
>> .libPaths()
>>
>> and tell us what the output is? And where is the actual install of
>> ...\library\stats?
>>
>
> It would not have got that far if it could not find 'base'.
> I think Duncan Murdoch is likely to be correct: this looks like a corrupt
> install.
>
>
>> --
>>  O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
>>  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
>> (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
>> ~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)              FAX: (+45) 35327907
>>
>> ______________________________________________
>> R-help@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<http://www.r-project.org/posting-guide.html>
>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
> --
> Brian D. Ripley,                  ripley@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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