On 12/11/2014 15:18, ce wrote:
you may try to increase virtual memory :

http://windows.microsoft.com/en-us/windows/change-virtual-memory-size#1TC=windows-7

That is a very low plausibility for the error. See the discussion in the FAQ: http://cran.r-project.org/bin/windows/base/rw-FAQ.html#There-seems-to-be-a-limit-on-the-memory-it-uses_0021 and the discussion of fragmentation in ?"Memory-limits" .

As others have said: get a 64-bit OS -- the only 32-bit one I have seen for several years now is on an old Windows sub-notebook with an Atom CPU.


-----Original Message-----
From: "eliza botto" [eliza_bo...@hotmail.com]
Date: 11/11/2014 02:35 PM
To: "r-help@r-project.org" <r-help@r-project.org>
Subject: [R] R memory issues

Dear useRs,
I have this funny thing going on with me since morning. I am 32 bit window 7 
system with 4 GB RAM(2.95 usable). I tried to run a code on it but when I tried 
to convert dataframe to matrix by using the following code
mat<-matrix(as.numeric(unlist(SFI)),nrow=nrow(SFI))
*where SFI is my dataframe.
an error came up, "Error: cannot allocate vector of size 237.3 Mb"
I tried to increase memory by using memory.limit(2500) but to no effect.
Kindly help me out on it as you always do.
Thanks,
Eliza                                   
        [[alternative HTML version deleted]]



--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford
1 South Parks Road, Oxford OX1 3TG, UK

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