uniq -c
* Duncan Murdoch <zheqbpu.qhapna at tznvy.pbz> [2012-10-16 12:47:36 -0400]: On 16/10/2012 12:29 PM, Sam Steingold wrote:
x is sorted.
sparseby(data=x, INDICES=x, FUN=nrow)
this takes forever; apparently, it does not use the fact that x is sorted (even then - it should not take more than a few minutes)...
Sam Steingold (http://sds.podval.org/) on Ubuntu 12.04 (precise) X 11.0.11103000 http://www.childpsy.net/ http://openvotingconsortium.org http://www.memritv.org http://think-israel.org http://pmw.org.il http://thereligionofpeace.com Save the whales, feed the hungry, free the mallocs.