Re: [R] Snow and multi-processing

I think I found a solution. I do not like to use global variable by fear of unpredictable side-effects but, I think that in this case I don't have to much chance. Here is a mock function that pushes the content of a variable evaluated within a function to the nodes on the cluster, do some compu

Re: [R] Snow and multi-processing

Hi Marco -- Do you know about Bioconductor, http://bioconductor.org ? The rowttests function in the genefilter package will do what you want efficiently and on a single node. > # install the package > source('http://bioconductor.org/biocLite.R') > biocLite('genefilter') > # do 500k t-tests > libr