[R] Memory increase in R

jim holtman jholtman at gmail.com
Wed Apr 18 21:51:14 CEST 2007

You would need 2TB (2,000,000,000,000) to store a single copy of your
data.  You probably need to rescale your problem.  Even if you had the
memory, the computation would take a very long time.

On 4/18/07, Hong Su An <anhong at msu.edu> wrote:
> Dear All:
> Pleas help me to increase the memory in R.
> I am trying to make euclidean distance matrix.
> The number of low in data is 500,000. Therefore, the dimension of euclidean
> distance matrix is 500,000*500,000.
> When I run the data in R. R could not make distance matrix because of memory
> allocation problem.
> In order increase memory, I read the FAQ and follow the instruction as
> below:
> You may also set the amount of available memory manually. Close R, then
> right-click on your R program icon (the icon on your desktop or in your
> programs directory). Select ``Properties'', and then select the ``Shortcut''
> tab. Look for the ``Target'' field and after the closing quotes around the
> location of the R executible, add
>  --max-mem-size=500M
> It does not work.
> I have tried other computers in also does not work.
> When I add the --max-mem-size=3Gb in Target field. There is error like as
> below:
> "The name "C:\Documents and Settings\Hong Su An\My
> Documents\R\R-2.4.1\bin\Rgui.exe"--max-mem-size=1024M specified in the
> Target box is not valid"
> I use R2.4.1. in window xp with sp2 and 4Gb RAM.
> Have a nice day.
> Hong Su An.
> anhong at msu.eud
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Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?

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