[R] Multiple testing corrections on very large vector

[terdon]

Hi Jorge,
    first of all THANKS! I just ran you suggestion and got blown away:

 system.time(res <- p.adjust(pv, method = 'fdr')) 
   user  system elapsed 
 55.052   3.100  62.560 

I had tried the same thing using mt.rawp2adjp as per my original post, sent
it to a cluster here on friday afternoon and it was still not finished (AND
using ~16GB of memory) three days later. wow.

OK, so, great but what is the difference between mt.rawp2adjp and p.adjust?
Do you know? Is it a simple difference in how the same algorithm is
implemented? Is there any reason one would be more trustworthy than the
other?

And again, thanks, wow...

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