On Jul 28, 2010, at 9:53 AM, Brandon Hurr wrote:
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.
With 24GB on a Mac with 64 bit R, I routinely work with objects that
are, let's see...
3,969,086,272, ... after commas .... 4GB in size (about 4.5 million
records with about 100 columns). Thank you Simon and all the others
doing R core and Mac development. As far as I am concerned 64bit R
_IS_ the best thing.
--
David.
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 <
hsutanudjajacchm...@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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