Fix issue 148: Kruskal Wallis test should have variation within the dataset #226
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ignore this. i will reopen after i update |
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adds a check in
kruskalWallisRank. If the first rank is the same as the last rank, then that means that there was no underlying variation, i.e. all the samples are of the exact same value. In which case, we just bail early with aNothingand propagate that onward.Fixes bug #148