[R] uniq -c

Sam Steingold sds at gnu.org
Tue Oct 16 20:06:30 CEST 2012

> * Duncan Murdoch <zheqbpu.qhapna at tznvy.pbz> [2012-10-16 12:47:36 -0400]:
> sparseby(data=x, INDICES=x, FUN=nrow)

Error in `[<-.data.frame`(`*tmp*`, index, , value = list(user = c(2L,  : 
  missing values are not allowed in subscripted assignments of data frames

Sam Steingold (http://sds.podval.org/) on Ubuntu 12.04 (precise) X 11.0.11103000
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