[R] mmap error-12, macbook pro

2010-03-17 Thread Mamun
Dear List, I am trying to read some files using read.csv and total size of those files are 3.99 GB. I am using MacBook Pro with 4GB RAM(snow leopard). I also tried to run a chunk from those files and altogether the size was 1.33 GB. But every time I was getting the following error R(1200)

[R] mmap error-12, macbook pro

2010-03-17 Thread Mamun
Hi, I am trying to read some files using read.csv and total size of those files are 3.99 GB. I am using MacBook Pro with 4GB RAM(snow leopard). I also tried to run a chunk from those files and altogether the size was 1.33 GB. But every time I was getting the following error R(1200) malloc: ***

[R] mmap error on macbook pro

2010-03-17 Thread Shyamasree Saha [shs]
Dear List, I am trying to read some files using read.csv and total size of those files are 3.99 GB. I am using MacBook Pro with 4GB RAM(snow leopard). I also tried to run a chunk from those files and altogether the size was 1.33 GB. But every time I was getting the following error R(1200)

Re: [R] mmap error-12, macbook pro

2010-03-17 Thread Thomas Lumley
There seem to have been three almost identical reports of this from three different email addresses, including two widely-separate UK academic institutions, and two user names, which is a bit weird. However: R will need more than 4GB memory to handle a 3.99GB file, and probably more than

Re: [R] mmap error on macbook pro

2010-03-17 Thread Steve Lianoglou
Hi, On Wed, Mar 17, 2010 at 8:14 AM, Shyamasree Saha [shs] s...@aber.ac.uk wrote: Dear List, I am trying to read some files using read.csv and total size of those files are 3.99 GB. I am using MacBook Pro with 4GB RAM(snow leopard). I also tried to run a chunk from those files and

Re: [R] mmap error on macbook pro

2010-03-17 Thread David Winsemius
On Mar 17, 2010, at 4:57 PM, Steve Lianoglou wrote: Hi, On Wed, Mar 17, 2010 at 8:14 AM, Shyamasree Saha [shs] s...@aber.ac.uk wrote: Dear List, I am trying to read some files using read.csv and total size of those files are 3.99 GB. I am using MacBook Pro with 4GB RAM(snow leopard).