Re: [R] permutation analysis with randomly chosen subsets of a matrix

On Jan 31, 2010, at 2:19 PM, Zoppoli, Gabriele (NIH/NCI) [G] wrote: Hello, here is the problem: I want to demonstrate that, on average, the Pearson's correlations of a specified subset of genes from a huge list (>18,000 columns) are higher than any randomly chosen subset of that list. I w

[R] permutation analysis with randomly chosen subsets of a matrix

Hello, here is the problem: I want to demonstrate that, on average, the Pearson's correlations of a specified subset of genes from a huge list (>18,000 columns) are higher than any randomly chosen subset of that list. I would therefore like to do a number of tests between that specified subset