It was my understanding that R wasn't really the best thing for absolutely
huge datasets. 17.5 million points would probably fall under the category of
"absolutely huge."

I'm on a little netbook right now (atom/R32) and it failed, but I'll try it
on my macbookPro/R64 later and see if it's able to handle the size better.
For more information, my error is the following:

Error: cannot allocate vector of size 66.8 Mb
R(6725,0xa016e500) malloc: *** mmap(size=70000640) failed (error code=12)
*** error: can't allocate region
*** set a breakpoint in malloc_error_break to debug
R(6725,0xa016e500) malloc: *** mmap(size=70000640) failed (error code=12)
*** error: can't allocate region
*** set a breakpoint in malloc_error_break to debug

> sessionInfo()
R version 2.11.1 (2010-05-31)
i386-apple-darwin9.8.0

locale:
[1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] grid      stats     graphics  grDevices utils     datasets  methods
base

other attached packages:
[1] sp_0.9-65       mapproj_1.1-8.2 maps_2.1-4      mgcv_1.6-2
 ggplot2_0.8.8
[6] reshape_0.8.3   plyr_1.0.2      proto_0.3-8

loaded via a namespace (and not attached):
[1] digest_0.4.2       lattice_0.18-8     Matrix_0.999375-39 nlme_3.1-96

[5] tools_2.11.1

On Wed, Jul 28, 2010 at 11:13, Edwin Husni Sutanudjaja <
hsutanudjajacchms99@yahoo.com> wrote:

> Dear all,
>
> I have a memory problem in making a scatter plot of my 17.5 million-pair
> datasets.
> My intention to use the "ggplot" package and use the "bin2d". Please find
> the
> attached script for more details.
>
> Could somebody please give me any clues or tips to solve my problem??
> please ...
> Just for additional information: I'm running my R script on my 32-bit
> machine:
> Ubuntu 9.10, hardware: AMD Athlon Dual Core Processor 5200B, memory: 1.7GB.
>
> Many thanks in advance.
> Kind Regards,
>
> --
> Ir. Edwin H. Sutanudjaja
> Dept. of Physical Geography, Faculty of Geosciences, Utrecht University
>
>
>
>
>
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