[R] "negative length vectors are not allowed" in wilcox.exact() and perm.test()
dieter.menne at menne-biomed.de
Fri Oct 16 17:28:22 CEST 2009
David Croll wrote:
> I want to compare two datasets and I get the message
> Error in .Call("cpermdist2", ma = as.integer(m), mb = as.integer(col), :
> negative length vectors are not allowed
> after specifying the exact test. I'm using the exactRankTests package. Do
> you suggest me using the coin library, or is there anything "wrong" with
> my data?
Yes. You did not show your data.
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