R help - Aug 2001 - accessing virtual memory

Hello R users,

I am doing some work with a large data set but am running out
of memory.  I understand that R dynamically loads memory as
it needs it, but for some reason it cannot seem to find my virtual
memory.  It's limit is about 256M (my hard memory) regardless
of the amount of virtual memory. I'm running R 1.30 on Windows
NT.

Am I missing an easy fix here?

Many thanks in advance,

Mike


Michael J. Roberts
USDA, Economic Research Service
Resource Economics Division
Production, Management, and Technology Branch



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Hello Dear R user:

How can I use the update.package() function if my system
has proxy configuration.

Thank you very much

Kenneth Cabrera
Universidad Nacional de Colombia
Sede Medellin
Facultad de Ciencias
ICNE
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On Fri, 31 Aug 2001, Michael Roberts wrote:
> Hello R users,
>
> I am doing some work with a large data set but am running out
> of memory.  I understand that R dynamically loads memory as
> it needs it, but for some reason it cannot seem to find my virtual
> memory.  It's limit is about 256M (my hard memory) regardless
> of the amount of virtual memory. I'm running R 1.30 on Windows
> NT.
>
> Am I missing an easy fix here?
See the rw-FAQ, question

  2.4 There seems to be a limit on the memory it uses!

Also, you will get a message when it runs out saying

Reached total allocation of 255Mb: see help(memory.size)

and you could always as a last resort do as it says ....


I should say that on Windows 9x systems you really don't want to use your
virtual memory, and for NT/2000 you will see a large performance hit.

-- 
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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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