[R] Principal component analysis PCA

[SNN]

Hi,

I am trying to run PCA on a set of data with dimension 115*300,000. The
columns represnt the snps and the row represent the individuals. so this is
what i did.

#load the data

 code<-read.table("code.txt", sep='\t', header=F, nrows=300000)

# do PCA #

pr<-prcomp(code, retx=T, center=T)

I am getting the following error message

"Error: cannot allocate vector of size 275.6 Mb"

I tried to increase the memory size :

"memory.size(4000)"

but it did not work, is there a solution for this ? or is there another
software that can handle large data sets.

Thanks


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