[LNT] r207898 - Use Mann-Whitney U test to identify changes

[Yi Kong]

I've updated the patch to perform Mann-Whitney U test using significance
table. We still need SciPy when sample size is large(> 20).

On Wed, 2014-05-07 at 09:12 +0100, Anton Korobeynikov wrote:
> > If we are using significance table, we can no longer calculate p values,
> > right? Is there any algorithm to calculate p value for all sample sizes?
> We would just need to fix the threshold (say, 0.05 or 0.1 or 0.01).
> Also, we can have like 2 or 3 tables for various thresholds. This
> should be enough for all the practical purposes.
> 


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