Re: [R] Working with massive matrices in R

2011-04-18 Thread ancienthart
Are your matricies sparse? This package (or one of it's reverse dependencies/suggests) may help keep the memory down. http://cran.r-project.org/web/packages/SparseM/ Joal Heagney __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinf

Re: [R] Working with massive matrices in R

2011-04-18 Thread jim holtman
It is probably contiguous memory, I always suggest that you have 3-4X memory than your largest object to ensure that you have room for copies that might be made. So make a request for about 50GB of memory. On Mon, Apr 18, 2011 at 4:10 PM, svrieze wrote: > Hello, > > I'm (eventually) attempting

[R] Working with massive matrices in R

2011-04-18 Thread svrieze
Hello, I'm (eventually) attempting a singular value decomposition of a 3200 x 527829 matrix in R version 2.10.1. The script is as follows: ###-Begin Script here---### library(Matrix) snps <- 527829 ## Number of SNPs N <- 3200## Sample size y