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group14
2009 Oct 27
1
wilcox.exact() problem
...ackage ?exactRankTests? is no longer under development.
Please consider using package ?coin? instead.
> wilcox.exact(group_1,group_2,exact=T)
Error in .Call("cpermdist2", ma = as.integer(m), mb = as.integer(col), :
negative length vectors are not allowed
> wilcox.exact(group_3,group_4,exact=T)
Error in .Call("cpermdist2", ma = as.integer(m), mb = as.integer(col), :
cannot allocate vector of length 1621367542
1621367542 is the same as 2^30.59, so the memory can't be allocated on my 32-bit computer.
Can somebody point out the problem to me?
Kind regards,
Da...