[R] Error: cannot allocate vector of size 5.2 Gb

[Pascal Oettli]

Hello,

It is not the right way to read a NetCDF file  (according to the
extension) in R. Please have a look at the "ncdf4" package. The
"raster" package is also able to read this kind of files.

Regards,
Pascal

On Fri, Mar 21, 2014 at 1:25 AM, eliza botto <eliza_botto at hotmail.com> wrote:
> Dear R family,
> I am trying to read a real large dataset in R (~ 2Gb). Its in binary format. When i tried to read it by using following command
> readBin("DAT.dat.nc", numeric(), n=9e8, size=4, signed=TRUE, endian='little')
> I got the following error
> Error: cannot allocate vector of size 5.2 Gb
> I have a Ram of 4Gb. I even tried to allocate more space to it by "memory.limit(size=9000000000000)" but to no use.
> What do i do? Buy a new ram or act smart?
> Thankyou very much in advance
> Eliza
>         [[alternative HTML version deleted]]
>
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-- 
Pascal Oettli
Project Scientist
JAMSTEC
Yokohama, Japan