Re: [R] handle large matrix in R

2012-06-12 Thread peter dalgaard
On Jun 12, 2012, at 12:47 , Oliver Ruebenacker wrote: > Hello Hui, > > On Tue, Jun 12, 2012 at 2:12 AM, Hui Wang wrote: >> Dear all, >> >> I've run into a question of handling large matrices in R. I'd like to >> define a 7*7 matrix in R on Platform: >> x86_64-apple-darwin9.8.0/x86_

Re: [R] handle large matrix in R

2012-06-12 Thread Steve Lianoglou
Hi, As Oliver pointed out, you won't be able to fit all that data into RAM unless you've got some big iron machine. Besides using a sparse matrix representation, you might also look at the "Large memory and out-of-memory data" section here: http://cran.r-project.org/web/views/HighPerformanceComp

Re: [R] handle large matrix in R

2012-06-12 Thread Oliver Ruebenacker
Hello Hui, On Tue, Jun 12, 2012 at 2:12 AM, Hui Wang wrote: > Dear all, > > I've run into a question of handling large matrices in R. I'd like to > define a 7*7 matrix in R on Platform: > x86_64-apple-darwin9.8.0/x86_64 (64-bit), but it seems to run out of memory > to handle this. Is

[R] handle large matrix in R

2012-06-12 Thread Hui Wang
Dear all, I've run into a question of handling large matrices in R. I'd like to define a 7*7 matrix in R on Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit), but it seems to run out of memory to handle this. Is it due to R memory limiting size or RAM of my laptop? If I use a cluster with